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| Date | Max Price | Avg Price | # Prices |
|---|---|---|---|
| 2012-02-05 | $96.00 | $50.61 | 35 |
| 2012-02-04 | $96.00 | $51.57 | 52 |
| 2012-02-03 | $85.12 | $51.56 | 106 |
| 2012-02-02 | $85.12 | $50.17 | 18 |
| 2012-02-01 | $96.00 | $55.59 | 39 |
| 2012-01-31 | $94.71 | $52.29 | 34 |
| 2012-01-30 | $94.71 | $53.59 | 67 |
| 2012-01-28 | $95.99 | $55.38 | 82 |
| 2012-01-27 | $99.49 | $61.10 | 17 |
| 2012-01-26 | $99.49 | $62.41 | 16 |
| 2012-01-25 | $99.49 | $63.15 | 115 |
| 2012-01-24 | $99.49 | $63.66 | 139 |
| 2012-01-23 | $99.49 | $65.49 | 147 |
| 2012-01-22 | $99.49 | $65.94 | 105 |
| 2012-01-21 | $99.49 | $64.71 | 141 |
| 2012-01-20 | $99.49 | $63.55 | 192 |
| 2012-01-19 | $99.49 | $59.88 | 169 |
| 2012-01-18 | $98.14 | $56.14 | 131 |
| 2012-01-17 | $98.14 | $59.12 | 94 |
| 2012-01-16 | $98.14 | $59.45 | 168 |
| 2012-01-15 | $98.14 | $59.21 | 92 |
| 2012-01-14 | $98.14 | $57.26 | 54 |
| 2012-01-13 | $98.14 | $59.29 | 91 |
| 2012-01-12 | $116.09 | $59.00 | 55 |
| 2012-01-11 | $116.09 | $62.99 | 40 |
| 2012-01-10 | $104.52 | $59.42 | 113 |
| 2012-01-09 | $96.74 | $68.50 | 20 |
| 2012-01-08 | $104.52 | $66.92 | 96 |
| 2012-01-07 | $104.52 | $65.32 | 83 |
| 2012-01-06 | $104.52 | $66.34 | 84 |
| 2012-01-05 | $104.52 | $69.12 | 79 |
| 2012-01-04 | $104.52 | $61.23 | 200 |
| 2012-01-03 | $104.52 | $60.73 | 42 |
| 2012-01-02 | $104.52 | $65.34 | 28 |
| 2012-01-01 | $104.52 | $65.70 | 169 |
| 2011-12-31 | $87.30 | $68.71 | 41 |
| 2011-12-30 | $87.30 | $64.97 | 29 |
| 2011-12-29 | $104.52 | $61.60 | 88 |
| 2011-12-28 | $104.52 | $60.28 | 92 |
| 2011-12-27 | $104.52 | $62.36 | 54 |
| 2011-12-26 | $104.52 | $66.20 | 93 |
| 2011-12-25 | $104.52 | $65.15 | 86 |
| 2011-12-24 | $104.52 | $65.73 | 45 |
| 2011-12-23 | $104.52 | $64.32 | 106 |
| 2011-12-22 | $104.52 | $65.35 | 127 |
| 2011-12-21 | $100.31 | $67.21 | 120 |
| 2011-12-20 | $100.31 | $71.10 | 39 |
| 2011-12-19 | $104.52 | $73.59 | 55 |
| 2011-12-18 | $104.52 | $73.22 | 55 |
| 2011-12-17 | $104.52 | $72.39 | 33 |
| 2011-12-16 | $104.52 | $74.80 | 87 |
| 2011-12-15 | $104.52 | $72.05 | 116 |
| 2011-12-14 | $104.52 | $69.77 | 206 |
| 2011-12-13 | $104.52 | $69.54 | 66 |
| 2011-12-12 | $104.52 | $69.65 | 82 |
| 2011-12-11 | $104.52 | $69.40 | 31 |
| 2011-12-10 | $104.52 | $70.22 | 30 |
| 2011-12-09 | $98.14 | $67.63 | 32 |
| 2011-12-08 | $98.25 | $68.74 | 30 |
| 2011-12-07 | $87.10 | $66.55 | 77 |
| 2011-12-06 | $91.45 | $68.78 | 99 |
| 2011-12-05 | $86.43 | $67.28 | 93 |
| 2011-12-03 | $86.43 | $68.42 | 50 |
| 2011-12-02 | $86.00 | $63.99 | 34 |
| 2011-12-01 | $86.00 | $63.21 | 16 |
| 2011-11-30 | $86.00 | $67.63 | 14 |
| 2011-11-29 | $86.43 | $66.41 | 75 |
| 2011-11-28 | $86.00 | $64.08 | 128 |
| 2011-11-27 | $85.25 | $63.70 | 126 |
| 2011-11-26 | $85.50 | $63.45 | 17 |
| 2011-11-25 | $85.50 | $81.46 | 4 |
| 2011-11-24 | $85.50 | $61.01 | 15 |
| 2011-11-23 | $85.50 | $66.14 | 18 |
| 2011-11-21 | $85.50 | $59.68 | 24 |
| 2011-11-20 | $85.50 | $65.26 | 15 |
| 2011-11-19 | $85.50 | $67.66 | 35 |
| 2011-11-18 | $85.50 | $64.58 | 14 |
| 2011-11-17 | $86.43 | $67.14 | 61 |
| 2011-11-16 | $85.50 | $67.09 | 54 |
| 2011-11-15 | $85.50 | $67.88 | 14 |
| 2011-11-14 | $85.50 | $66.67 | 27 |
| 2011-11-13 | $85.50 | $66.00 | 11 |
| 2011-11-11 | $85.50 | $63.24 | 54 |
| 2011-11-09 | $106.20 | $61.31 | 71 |
| 2011-11-08 | $106.20 | $62.88 | 72 |
| 2011-11-03 | $80.60 | $61.98 | 13 |
| 2011-11-02 | $80.60 | $60.80 | 11 |
| 2011-11-01 | $105.65 | $59.71 | 41 |
| 2011-10-31 | $105.65 | $61.56 | 56 |
| 2011-10-29 | $105.65 | $65.08 | 16 |
| 2011-10-28 | $105.65 | $64.20 | 12 |
| 2011-10-27 | $87.11 | $60.54 | 55 |
| 2011-10-26 | $98.14 | $68.64 | 10 |
| 2011-10-25 | $98.14 | $72.75 | 9 |
| 2011-10-24 | $98.14 | $68.18 | 11 |
| 2011-10-22 | $98.14 | $68.68 | 11 |
| 2011-10-21 | $102.32 | $63.67 | 38 |
| 2011-10-20 | $102.32 | $64.99 | 38 |
| 2011-10-19 | $80.60 | $58.32 | 23 |
| 2011-10-18 | $80.60 | $68.81 | 3 |
| 2011-10-17 | $98.14 | $51.36 | 54 |
| 2011-10-16 | $80.60 | $42.49 | 7 |
| 2011-10-15 | $98.14 | $51.92 | 14 |
| 2011-10-13 | $98.14 | $49.01 | 58 |
| 2011-10-12 | $98.14 | $51.10 | 69 |
| 2011-10-11 | $98.14 | $51.26 | 42 |
| 2011-10-10 | $96.72 | $54.24 | 34 |
| 2011-10-08 | $96.72 | $50.11 | 38 |
| 2011-10-06 | $96.72 | $56.58 | 59 |
| 2011-10-03 | $97.92 | $59.45 | 15 |
| 2011-10-02 | $101.27 | $56.03 | 109 |
| 2011-09-30 | $96.72 | $55.57 | 49 |
| 2011-09-29 | $110.91 | $59.63 | 30 |
| 2011-09-28 | $110.91 | $60.25 | 32 |
| 2011-09-26 | $110.91 | $59.62 | 93 |
| 2011-09-23 | $110.91 | $62.07 | 44 |
| 2011-09-21 | $110.81 | $62.39 | 14 |
| 2011-09-20 | $110.81 | $59.98 | 47 |
| 2011-09-19 | $110.81 | $62.83 | 57 |
| 2011-09-18 | $110.81 | $58.82 | 46 |
| 2011-09-17 | $110.81 | $59.99 | 59 |
| 2011-09-16 | $110.81 | $61.07 | 43 |
| 2011-09-14 | $110.81 | $58.77 | 14 |
| 2011-09-13 | $110.81 | $59.13 | 165 |
| 2011-09-12 | $80.09 | $59.36 | 29 |
| 2011-09-10 | $110.81 | $59.88 | 108 |
| 2011-09-08 | $110.81 | $59.15 | 41 |
| 2011-09-07 | $18.00 | $18.00 | 1 |
| 2011-09-06 | $80.40 | $58.38 | 30 |
| 2011-09-04 | $80.40 | $59.52 | 16 |
| 2011-09-03 | $110.81 | $63.93 | 34 |
| 2011-09-02 | $110.81 | $60.65 | 33 |
| 2011-09-01 | $110.81 | $64.61 | 66 |
| 2011-08-30 | $110.81 | $65.20 | 67 |
| 2011-08-29 | $110.81 | $61.93 | 65 |
| 2011-08-27 | $110.81 | $65.99 | 85 |
| 2011-08-26 | $110.81 | $66.98 | 34 |
| 2011-08-25 | $110.81 | $68.38 | 34 |
| 2011-08-24 | $110.81 | $71.59 | 48 |
| 2011-08-23 | $85.16 | $67.46 | 92 |
| 2011-08-22 | $110.81 | $71.07 | 145 |
| 2011-08-21 | $110.81 | $70.61 | 24 |
| 2011-08-20 | $110.81 | $66.95 | 31 |
| 2011-08-19 | $110.81 | $73.06 | 71 |
| 2011-08-18 | $110.81 | $75.20 | 99 |
| 2011-08-17 | $110.81 | $77.27 | 16 |
| 2011-08-16 | $110.81 | $72.01 | 182 |
| 2011-08-15 | $110.81 | $74.97 | 198 |
| 2011-08-14 | $110.81 | $78.71 | 51 |
| 2011-08-13 | $110.81 | $79.03 | 17 |
| 2011-08-12 | $110.81 | $77.72 | 168 |
| 2011-08-11 | $110.81 | $75.75 | 95 |
| 2011-08-10 | $110.81 | $70.95 | 78 |
| 2011-08-09 | $110.81 | $80.59 | 106 |
| 2011-08-08 | $110.81 | $79.91 | 31 |
| 2011-08-06 | $110.81 | $77.37 | 16 |
| 2011-08-05 | $110.81 | $73.81 | 48 |
| 2011-08-04 | $110.81 | $73.06 | 63 |
| 2011-08-03 | $110.81 | $77.95 | 30 |
| 2011-08-02 | $93.44 | $74.96 | 13 |
| 2011-08-01 | $110.81 | $76.43 | 63 |
| 2011-07-31 | $110.81 | $77.53 | 17 |
| 2011-07-29 | $110.81 | $76.55 | 32 |
| 2011-07-28 | $110.81 | $77.95 | 48 |
| 2011-07-27 | $110.81 | $79.12 | 30 |
| 2011-07-26 | $110.81 | $80.30 | 49 |
| 2011-07-25 | $9999.99 | $173.62 | 102 |
| 2011-07-24 | $9999.99 | $631.57 | 36 |
| 2011-07-22 | $110.81 | $78.74 | 137 |
| 2011-07-21 | $110.81 | $79.24 | 160 |
| 2011-07-20 | $110.81 | $77.88 | 51 |
| 2011-07-19 | $110.81 | $78.95 | 33 |
| 2011-07-18 | $110.81 | $75.42 | 162 |
| 2011-07-17 | $110.81 | $77.44 | 31 |
| 2011-07-16 | $110.81 | $80.91 | 17 |
| 2011-07-15 | $110.81 | $79.84 | 48 |
| 2011-07-14 | $110.81 | $74.85 | 84 |
| 2011-07-12 | $110.81 | $75.03 | 88 |
| 2011-07-11 | $110.81 | $74.03 | 66 |
| 2011-07-10 | $110.81 | $74.69 | 125 |
| 2011-07-09 | $110.81 | $75.93 | 54 |
| 2011-07-08 | $110.81 | $72.97 | 50 |
| 2011-07-07 | $110.81 | $74.07 | 78 |
| 2011-07-06 | $110.81 | $75.84 | 90 |
| 2011-07-05 | $110.81 | $78.44 | 33 |
| 2011-07-04 | $110.81 | $79.32 | 19 |
| 2011-07-01 | $110.81 | $78.18 | 91 |
| 2011-06-30 | $110.81 | $81.53 | 109 |
| 2011-06-29 | $110.81 | $81.60 | 19 |
| 2011-06-28 | $110.81 | $76.19 | 72 |
| 2011-06-27 | $110.81 | $80.54 | 57 |
| 2011-06-26 | $110.81 | $81.32 | 19 |
| 2011-06-25 | $110.81 | $75.47 | 64 |
| 2011-06-24 | $86.25 | $74.63 | 12 |
| 2011-06-23 | $110.81 | $82.10 | 36 |
| 2011-06-22 | $110.81 | $82.57 | 55 |
| 2011-06-21 | $110.81 | $80.92 | 55 |
| 2011-06-20 | $110.81 | $81.72 | 52 |
| 2011-06-19 | $110.81 | $82.87 | 54 |
| 2011-06-18 | $110.81 | $81.21 | 37 |
| 2011-06-17 | $110.81 | $80.81 | 75 |
| 2011-06-16 | $110.81 | $75.02 | 91 |
| 2011-06-15 | $110.81 | $72.42 | 126 |
| 2011-06-14 | $110.81 | $75.59 | 19 |
| 2011-06-12 | $110.81 | $78.99 | 68 |
| 2011-06-11 | $110.81 | $82.45 | 34 |
| 2011-06-10 | $110.81 | $83.29 | 35 |
| 2011-06-09 | $110.81 | $81.12 | 17 |
| 2011-06-08 | $110.81 | $80.81 | 16 |
| 2011-06-07 | $110.81 | $81.65 | 137 |
| 2011-06-06 | $110.81 | $80.53 | 102 |
| 2011-06-05 | $110.81 | $80.06 | 50 |
| 2011-06-03 | $110.81 | $78.27 | 107 |
| 2011-06-02 | $110.81 | $78.70 | 46 |
| 2011-06-01 | $110.81 | $78.41 | 105 |
| 2011-05-31 | $110.81 | $79.39 | 202 |
| 2011-05-30 | $110.81 | $80.63 | 36 |
| 2011-05-28 | $110.81 | $71.92 | 34 |
| 2011-05-27 | $110.81 | $71.80 | 53 |
| 2011-05-26 | $110.81 | $69.01 | 95 |
| 2011-05-25 | $110.81 | $71.21 | 67 |
| 2011-05-24 | $110.81 | $67.65 | 94 |
| 2011-05-23 | $102.10 | $71.26 | 17 |
| 2011-05-22 | $102.10 | $67.28 | 16 |
| 2011-05-21 | $102.10 | $69.62 | 63 |
| 2011-05-20 | $102.10 | $71.48 | 32 |
| 2011-05-19 | $101.66 | $71.27 | 31 |
| 2011-05-18 | $101.66 | $71.33 | 113 |
| 2011-05-17 | $101.66 | $70.95 | 164 |
| 2011-05-16 | $101.66 | $70.83 | 96 |
| 2011-05-15 | $101.66 | $73.04 | 63 |
| 2011-05-14 | $101.66 | $69.93 | 102 |
| 2011-05-13 | $101.66 | $69.86 | 67 |
| 2011-05-12 | $101.66 | $70.27 | 129 |
| 2011-05-11 | $101.66 | $76.60 | 105 |
| 2011-05-10 | $101.66 | $76.36 | 89 |
| 2011-05-09 | $101.66 | $77.74 | 81 |
| 2011-05-08 | $101.66 | $71.63 | 73 |
| 2011-05-06 | $101.66 | $77.35 | 44 |
| 2011-05-05 | $101.66 | $73.88 | 58 |
| 2011-05-04 | $101.66 | $70.38 | 242 |
| 2011-05-03 | $101.66 | $74.66 | 83 |
| 2011-05-02 | $101.66 | $75.83 | 115 |
| 2011-05-01 | $101.66 | $75.40 | 48 |
| 2011-04-30 | $101.66 | $76.88 | 56 |
| 2011-04-29 | $101.66 | $74.72 | 66 |
| 2011-04-27 | $101.66 | $75.79 | 64 |
| 2011-04-26 | $101.66 | $72.74 | 36 |
| 2011-04-25 | $101.66 | $68.52 | 26 |
| 2011-04-24 | $101.66 | $69.31 | 14 |
| 2011-04-22 | $101.66 | $68.25 | 24 |
| 2011-04-21 | $101.66 | $67.79 | 58 |
| 2011-04-20 | $101.66 | $75.22 | 12 |
| 2011-04-19 | $101.66 | $71.64 | 59 |
| 2011-04-18 | $101.66 | $68.36 | 84 |
| 2011-04-17 | $101.56 | $70.89 | 28 |
| 2011-04-16 | $96.94 | $71.40 | 14 |
| 2011-04-15 | $96.94 | $72.00 | 41 |
| 2011-04-14 | $96.94 | $75.70 | 13 |
| 2011-04-13 | $95.39 | $67.73 | 88 |
| 2011-04-12 | $95.39 | $73.78 | 207 |
| 2011-04-11 | $95.39 | $71.93 | 72 |
| 2011-04-09 | $95.39 | $66.72 | 11 |
| 2011-04-08 | $95.39 | $70.50 | 12 |
| 2011-04-06 | $95.39 | $69.29 | 30 |
| 2011-04-04 | $101.46 | $69.36 | 47 |
| 2011-04-03 | $101.46 | $72.25 | 15 |
| 2011-04-02 | $101.46 | $72.76 | 15 |
| 2011-03-31 | $101.46 | $70.97 | 31 |
| 2011-03-30 | $101.46 | $68.23 | 31 |
| 2011-03-28 | $101.46 | $70.66 | 68 |
| 2011-03-27 | $101.46 | $71.35 | 78 |
| 2011-03-26 | $101.46 | $71.77 | 32 |
| 2011-03-25 | $101.46 | $72.59 | 48 |
| 2011-03-24 | $101.46 | $72.69 | 16 |
| 2011-03-23 | $101.46 | $72.96 | 14 |
| 2011-03-22 | $101.46 | $73.14 | 46 |
| 2011-03-21 | $101.46 | $73.84 | 47 |
| 2011-03-20 | $101.46 | $71.30 | 82 |
| 2011-03-19 | $101.46 | $73.15 | 63 |
| 2011-03-16 | $101.46 | $73.58 | 15 |
| 2011-03-14 | $101.46 | $74.02 | 13 |
| 2011-03-10 | $101.46 | $74.41 | 50 |
| 2011-03-09 | $101.46 | $72.99 | 69 |
| 2011-03-08 | $101.46 | $74.14 | 17 |
| 2011-03-07 | $101.46 | $72.36 | 30 |
| 2011-03-03 | $101.46 | $70.71 | 50 |
| 2011-02-28 | $101.46 | $65.29 | 163 |
| 2011-02-26 | $101.46 | $64.74 | 57 |
| 2011-02-25 | $101.46 | $71.32 | 33 |
| 2011-02-24 | $101.46 | $67.80 | 74 |
| 2011-02-23 | $101.46 | $67.98 | 115 |
| 2011-02-22 | $101.46 | $68.28 | 32 |
| 2011-02-21 | $101.46 | $69.73 | 34 |
| 2011-02-20 | $101.46 | $71.08 | 17 |
| 2011-02-18 | $101.46 | $68.04 | 33 |
| 2011-02-17 | $101.46 | $72.10 | 80 |
| 2011-02-16 | $101.46 | $72.19 | 17 |
| 2011-02-14 | $101.46 | $70.87 | 71 |
| 2011-02-13 | $101.46 | $74.76 | 16 |
| 2011-02-12 | $101.46 | $75.29 | 34 |
| 2011-02-11 | $101.46 | $72.57 | 123 |
| 2011-02-09 | $101.46 | $76.45 | 34 |
| 2011-02-08 | $101.46 | $77.02 | 34 |
| 2011-02-07 | $101.46 | $73.85 | 51 |
| 2011-02-06 | $101.46 | $74.81 | 73 |
| 2011-02-05 | $101.46 | $78.03 | 17 |
| 2011-02-04 | $101.46 | $74.31 | 68 |
| 2011-02-03 | $101.46 | $77.97 | 16 |
| 2011-02-02 | $101.46 | $76.27 | 83 |
| 2011-02-01 | $101.66 | $75.35 | 15 |
| 2011-01-31 | $101.53 | $79.49 | 261 |
| 2011-01-30 | $106.87 | $81.51 | 34 |
| 2011-01-29 | $105.41 | $79.42 | 173 |
| 2011-01-28 | $105.48 | $80.44 | 169 |
| 2011-01-27 | $105.48 | $78.47 | 145 |
| 2011-01-26 | $100.49 | $76.36 | 17 |
| 2011-01-25 | $102.77 | $79.50 | 116 |
| 2011-01-24 | $101.33 | $78.09 | 57 |
| 2011-01-22 | $100.80 | $81.07 | 17 |
| 2011-01-21 | $100.07 | $80.69 | 101 |
| 2011-01-19 | $97.19 | $80.10 | 102 |
| 2011-01-18 | $96.48 | $76.86 | 54 |
| 2011-01-17 | $97.60 | $81.62 | 78 |
| 2011-01-15 | $98.99 | $80.60 | 61 |
| 2011-01-14 | $99.56 | $76.58 | 73 |
| 2011-01-12 | $97.20 | $78.75 | 17 |
| 2011-01-11 | $75.08 | $75.08 | 1 |
| 2011-01-10 | $95.39 | $79.50 | 14 |
| 2011-01-09 | $97.98 | $82.38 | 68 |
| 2011-01-08 | $97.98 | $78.49 | 71 |
| 2011-01-05 | $98.28 | $82.56 | 32 |
| 2011-01-04 | $97.09 | $78.45 | 86 |
| 2011-01-03 | $97.16 | $79.25 | 56 |
| 2010-12-31 | $99.37 | $80.78 | 86 |
| 2010-12-30 | $96.03 | $77.31 | 192 |
| 2010-12-29 | $96.03 | $80.30 | 159 |
| 2010-12-27 | $94.80 | $81.66 | 51 |
| 2010-12-26 | $94.80 | $82.55 | 17 |
| 2010-12-24 | $94.80 | $82.00 | 85 |
| 2010-12-23 | $96.03 | $78.87 | 90 |
| 2010-12-22 | $94.80 | $80.63 | 16 |
| 2010-12-20 | $94.80 | $78.46 | 34 |
| 2010-12-18 | $96.03 | $73.71 | 90 |
| 2010-12-17 | $94.83 | $70.49 | 51 |
| 2010-12-16 | $94.75 | $73.60 | 34 |
| 2010-12-15 | $94.72 | $76.37 | 47 |
| 2010-12-14 | $95.09 | $73.07 | 73 |
| 2010-12-13 | $95.09 | $73.28 | 210 |
| 2010-12-12 | $95.09 | $73.08 | 85 |
| 2010-12-11 | $94.36 | $75.27 | 59 |
| 2010-12-10 | $96.03 | $70.28 | 486 |
| 2010-12-09 | $94.36 | $72.51 | 15 |
| 2010-12-07 | $116.06 | $76.61 | 115 |
| 2010-12-06 | $116.06 | $72.63 | 202 |
| 2010-12-04 | $94.19 | $75.77 | 16 |
| 2010-12-02 | $116.06 | $77.78 | 16 |
| 2010-12-01 | $116.06 | $78.36 | 32 |
| 2010-11-30 | $116.06 | $77.85 | 70 |
| 2010-11-29 | $116.06 | $77.86 | 48 |
| 2010-11-28 | $116.06 | $74.06 | 55 |
| 2010-11-27 | $116.06 | $78.29 | 32 |
| 2010-11-26 | $116.06 | $77.32 | 30 |
| 2010-11-25 | $116.06 | $74.42 | 32 |
| 2010-11-24 | $116.06 | $73.94 | 48 |
| 2010-11-23 | $116.06 | $77.39 | 32 |
| 2010-11-22 | $116.06 | $77.87 | 79 |
| 2010-11-21 | $116.06 | $74.16 | 16 |
| 2010-11-19 | $116.06 | $75.97 | 16 |
| 2010-11-15 | $116.06 | $72.24 | 97 |
| 2010-11-14 | $116.06 | $73.17 | 30 |
| 2010-11-13 | $116.06 | $74.07 | 15 |
| 2010-11-09 | $94.04 | $72.90 | 30 |
| 2010-11-07 | $94.04 | $70.20 | 15 |
| 2010-11-05 | $86.00 | $69.50 | 66 |
| 2010-11-02 | $86.00 | $70.33 | 15 |
| 2010-11-01 | $85.75 | $70.73 | 15 |
| 2010-10-28 | $98.25 | $71.65 | 15 |
| 2010-10-27 | $98.00 | $70.68 | 45 |
| 2010-10-26 | $98.00 | $66.21 | 52 |
| 2010-10-25 | $97.76 | $72.61 | 15 |
| 2010-10-23 | $97.25 | $73.98 | 14 |
| 2010-10-22 | $98.00 | $73.16 | 15 |
| 2010-10-20 | $98.00 | $72.74 | 14 |
| 2010-10-18 | $97.50 | $67.66 | 104 |
| 2010-10-17 | $97.50 | $69.62 | 95 |
| 2010-10-15 | $97.25 | $67.83 | 44 |
| 2010-10-14 | $97.25 | $68.30 | 31 |
| 2010-10-13 | $97.25 | $66.87 | 47 |
| 2010-10-10 | $96.75 | $67.62 | 16 |
| 2010-10-08 | $97.25 | $68.31 | 16 |
| 2010-10-07 | $97.25 | $70.18 | 48 |
| 2010-10-06 | $97.25 | $70.08 | 16 |
| 2010-10-05 | $97.00 | $68.73 | 86 |
| 2010-10-02 | $96.59 | $69.18 | 32 |
| 2010-09-30 | $96.75 | $68.91 | 98 |
| 2010-09-29 | $96.75 | $70.24 | 32 |
| 2010-09-28 | $96.75 | $72.52 | 16 |
| 2010-09-27 | $96.75 | $74.68 | 32 |
| 2010-09-26 | $96.59 | $74.22 | 32 |
| 2010-09-25 | $96.59 | $72.71 | 84 |
| 2010-09-24 | $96.59 | $73.34 | 64 |
| 2010-09-23 | $96.59 | $72.89 | 64 |
| 2010-09-22 | $96.75 | $71.45 | 16 |
| 2010-09-21 | $96.75 | $72.72 | 84 |
| 2010-09-16 | $96.59 | $73.97 | 52 |
| 2010-09-15 | $96.75 | $74.02 | 102 |
| 2010-09-13 | $96.59 | $73.10 | 170 |
| 2010-09-12 | $96.59 | $73.41 | 105 |
| 2010-09-11 | $142.93 | $76.76 | 48 |
| 2010-09-10 | $142.93 | $78.90 | 65 |
| 2010-09-09 | $142.93 | $76.43 | 156 |
| 2010-09-08 | $142.93 | $76.33 | 102 |
| 2010-09-07 | $142.93 | $78.13 | 17 |
| 2010-09-06 | $142.93 | $78.02 | 51 |
| 2010-09-05 | $142.93 | $77.93 | 67 |
| 2010-09-04 | $142.93 | $75.89 | 87 |
| 2010-09-03 | $142.93 | $75.61 | 85 |
| 2010-09-02 | $142.93 | $78.01 | 50 |
| 2010-09-01 | $142.93 | $78.36 | 17 |
| 2010-08-31 | $142.93 | $76.21 | 102 |
| 2010-08-30 | $142.93 | $76.53 | 136 |
| 2010-08-29 | $142.93 | $77.31 | 17 |
| 2010-08-28 | $142.93 | $75.17 | 54 |
| 2010-08-27 | $142.93 | $76.15 | 139 |
| 2010-08-26 | $142.93 | $76.03 | 88 |
| 2010-08-25 | $142.93 | $77.29 | 71 |
| 2010-08-24 | $142.93 | $75.25 | 72 |
| 2010-08-23 | $142.93 | $76.14 | 50 |
| 2010-08-22 | $142.93 | $75.93 | 118 |
| 2010-08-21 | $132.98 | $77.56 | 54 |
| 2010-08-20 | $132.98 | $78.28 | 72 |
| 2010-08-19 | $132.98 | $77.42 | 112 |
| 2010-08-18 | $132.98 | $77.28 | 85 |
| 2010-08-17 | $132.98 | $76.51 | 116 |
| 2010-08-16 | $132.98 | $73.37 | 78 |
| 2010-08-15 | $132.98 | $75.88 | 71 |
| 2010-08-14 | $132.98 | $77.64 | 88 |
| 2010-08-13 | $132.98 | $76.38 | 54 |
| 2010-08-12 | $132.98 | $77.05 | 51 |
| 2010-08-11 | $132.98 | $79.58 | 104 |
| 2010-08-10 | $132.98 | $78.82 | 70 |
| 2010-08-09 | $132.98 | $78.74 | 85 |
| 2010-08-08 | $110.81 | $79.81 | 18 |
| 2010-08-07 | $136.15 | $81.82 | 36 |
| 2010-08-05 | $136.15 | $78.81 | 17 |
| 2010-08-04 | $136.15 | $78.73 | 17 |
| 2010-08-03 | $95.79 | $73.67 | 65 |
| 2010-08-02 | $95.60 | $74.32 | 30 |
| 2010-08-01 | $136.15 | $77.36 | 14 |
| 2010-07-31 | $136.15 | $76.71 | 30 |
| 2010-07-29 | $136.15 | $75.76 | 45 |
| 2010-07-28 | $136.15 | $73.44 | 68 |
| 2010-07-26 | $136.15 | $77.41 | 16 |
| 2010-07-25 | $136.15 | $77.72 | 16 |
| 2010-07-23 | $136.15 | $77.52 | 16 |
| 2010-07-21 | $136.15 | $76.22 | 18 |
| 2010-07-20 | $136.15 | $76.61 | 36 |
| 2010-07-19 | $136.15 | $76.86 | 90 |
| 2010-07-17 | $136.15 | $77.02 | 36 |
| 2010-07-16 | $136.15 | $77.15 | 36 |
| 2010-07-15 | $136.15 | $77.27 | 18 |
| 2010-07-12 | $136.15 | $77.21 | 18 |
| 2010-07-08 | $136.15 | $71.16 | 55 |
| 2010-07-06 | $136.15 | $74.33 | 18 |
| 2010-07-05 | $136.15 | $74.37 | 71 |
| 2010-07-02 | $136.15 | $73.74 | 18 |
| 2010-07-01 | $136.15 | $75.26 | 18 |
| 2010-06-26 | $136.15 | $77.90 | 18 |
| 2010-06-17 | $136.15 | $74.79 | 128 |
| 2010-06-15 | $136.15 | $82.87 | 18 |
| 2010-06-14 | $136.15 | $80.92 | 161 |
| 2010-06-10 | $136.15 | $83.05 | 18 |
| 2010-06-07 | $136.15 | $83.15 | 36 |
| 2010-06-04 | $116.60 | $77.74 | 89 |
| 2010-06-03 | $116.80 | $79.73 | 18 |
| 2010-06-02 | $116.08 | $80.17 | 45 |
| 2010-06-01 | $117.68 | $79.26 | 54 |
| 2010-05-28 | $115.37 | $80.24 | 18 |
| 2010-05-21 | $103.23 | $77.90 | 72 |
| 2010-05-18 | $103.23 | $78.98 | 35 |
| 2010-05-17 | $103.23 | $77.22 | 35 |
| 2010-05-13 | $95.94 | $76.22 | 17 |
| 2010-05-11 | $95.94 | $75.88 | 33 |
| 2010-05-10 | $95.94 | $76.09 | 67 |
| 2010-05-08 | $95.50 | $74.95 | 32 |
| 2010-05-07 | $95.83 | $70.98 | 79 |
| 2010-05-06 | $95.50 | $71.80 | 49 |
| 2010-05-05 | $95.50 | $74.15 | 46 |
| 2010-05-03 | $95.50 | $72.96 | 17 |
| 2010-04-28 | $95.25 | $67.75 | 12 |
| 2010-04-27 | $95.25 | $60.37 | 52 |
| 2010-04-23 | $95.50 | $67.44 | 27 |
| 2010-04-21 | $95.50 | $69.98 | 27 |
| 2010-04-13 | $101.20 | $73.28 | 27 |
| 2010-04-12 | $95.25 | $73.24 | 27 |
| 2010-04-11 | $95.25 | $72.59 | 55 |
| 2010-04-06 | $95.25 | $73.54 | 162 |
| 2010-04-04 | $95.25 | $74.68 | 56 |
| 2010-03-26 | $95.25 | $71.80 | 28 |
| 2010-03-23 | $102.23 | $69.96 | 86 |
| 2010-03-22 | $102.23 | $70.60 | 29 |
| 2010-03-19 | $102.23 | $69.68 | 29 |
| 2010-03-11 | $95.23 | $69.06 | 26 |
| 2010-03-01 | $95.23 | $70.66 | 24 |
| 2010-02-20 | $93.50 | $74.67 | 23 |
| 2010-02-17 | $93.50 | $70.43 | 28 |
| 2010-02-16 | $93.50 | $68.72 | 29 |
| 2010-02-10 | $93.50 | $71.23 | 27 |
| 2010-01-31 | $102.80 | $73.03 | 26 |
| 2010-01-30 | $102.80 | $73.45 | 52 |
| 2010-01-28 | $102.80 | $73.03 | 27 |
| 2010-01-27 | $102.80 | $75.57 | 76 |
| 2010-01-26 | $102.80 | $76.65 | 26 |
| 2010-01-23 | $102.80 | $76.22 | 77 |
| 2010-01-21 | $102.80 | $80.58 | 104 |
| 2010-01-20 | $102.80 | $80.44 | 27 |
| 2010-01-19 | $102.80 | $81.09 | 79 |
| 2010-01-18 | $102.80 | $81.11 | 49 |
| 2010-01-14 | $109.20 | $79.56 | 26 |
| 2010-01-12 | $102.80 | $79.60 | 51 |
| 2010-01-10 | $102.80 | $80.62 | 26 |
| 2009-12-29 | $95.88 | $75.18 | 28 |
| 2009-12-17 | $93.80 | $75.96 | 108 |
| 2009-12-15 | $93.80 | $75.96 | 26 |
| 2009-12-12 | $93.80 | $74.57 | 82 |
| 2009-12-03 | $98.49 | $73.17 | 30 |
| 2009-11-24 | $128.40 | $72.14 | 31 |
| 2009-11-23 | $128.40 | $72.88 | 31 |
| 2009-11-22 | $128.40 | $71.22 | 32 |
| 2009-11-07 | $136.53 | $78.07 | 29 |
| 2009-10-30 | $121.27 | $73.62 | 29 |
| 2009-10-23 | $93.80 | $74.48 | 56 |
| 2009-10-17 | $93.80 | $73.43 | 57 |
| 2009-09-14 | $91.20 | $77.89 | 30 |
| 2009-08-14 | $95.70 | $75.18 | 29 |
| 2009-08-13 | $95.70 | $74.13 | 28 |
| 2009-08-11 | $95.50 | $73.36 | 53 |
| 2009-05-23 | $100.00 | $67.71 | 29 |
| 2009-05-17 | $98.50 | $66.46 | 29 |
| 2009-05-14 | $98.50 | $65.99 | 29 |
| 2009-05-06 | $91.20 | $64.01 | 29 |
| 2009-04-23 | $91.20 | $63.95 | 30 |
| 2009-04-22 | $91.20 | $61.59 | 30 |
| 2009-04-13 | $91.20 | $64.86 | 30 |