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| Date | Max Price | Avg Price | # Prices |
|---|---|---|---|
| 2012-02-03 | $101.50 | $74.10 | 38 |
| 2012-02-02 | $101.50 | $73.82 | 80 |
| 2012-02-01 | $101.50 | $75.34 | 77 |
| 2012-01-31 | $103.89 | $72.58 | 70 |
| 2012-01-30 | $103.91 | $71.65 | 19 |
| 2012-01-29 | $103.91 | $71.48 | 74 |
| 2012-01-27 | $103.99 | $70.26 | 18 |
| 2012-01-26 | $109.25 | $68.43 | 41 |
| 2012-01-25 | $109.25 | $70.80 | 119 |
| 2012-01-24 | $109.25 | $69.00 | 119 |
| 2012-01-23 | $109.25 | $68.80 | 156 |
| 2012-01-22 | $109.25 | $68.89 | 72 |
| 2012-01-21 | $109.25 | $73.39 | 43 |
| 2012-01-20 | $109.25 | $68.50 | 18 |
| 2012-01-19 | $127.03 | $66.08 | 152 |
| 2012-01-18 | $127.03 | $65.30 | 126 |
| 2012-01-17 | $135.43 | $68.80 | 164 |
| 2012-01-16 | $135.43 | $67.47 | 102 |
| 2012-01-15 | $135.43 | $70.04 | 88 |
| 2012-01-14 | $135.43 | $73.80 | 80 |
| 2012-01-13 | $135.43 | $70.54 | 50 |
| 2012-01-12 | $135.43 | $71.40 | 120 |
| 2012-01-11 | $131.94 | $73.69 | 129 |
| 2012-01-10 | $131.94 | $72.69 | 124 |
| 2012-01-09 | $131.94 | $71.45 | 35 |
| 2012-01-08 | $131.94 | $71.43 | 174 |
| 2012-01-07 | $131.64 | $71.96 | 53 |
| 2012-01-06 | $131.64 | $72.98 | 134 |
| 2012-01-05 | $101.53 | $68.45 | 85 |
| 2012-01-04 | $121.25 | $70.13 | 77 |
| 2012-01-03 | $120.50 | $66.95 | 33 |
| 2012-01-02 | $120.50 | $71.34 | 46 |
| 2012-01-01 | $120.50 | $78.80 | 35 |
| 2011-12-31 | $120.50 | $74.09 | 58 |
| 2011-12-30 | $101.50 | $77.74 | 18 |
| 2011-12-29 | $96.23 | $71.90 | 28 |
| 2011-12-28 | $96.23 | $67.94 | 55 |
| 2011-12-27 | $115.44 | $65.62 | 149 |
| 2011-12-26 | $115.44 | $65.22 | 522 |
| 2011-12-25 | $115.44 | $69.47 | 36 |
| 2011-12-24 | $115.44 | $61.60 | 16 |
| 2011-12-22 | $106.00 | $64.51 | 81 |
| 2011-12-21 | $108.00 | $63.26 | 49 |
| 2011-12-20 | $106.00 | $59.66 | 81 |
| 2011-12-19 | $108.50 | $59.67 | 51 |
| 2011-12-18 | $108.50 | $57.84 | 178 |
| 2011-12-17 | $104.33 | $60.12 | 78 |
| 2011-12-16 | $109.50 | $59.83 | 17 |
| 2011-12-15 | $109.50 | $60.99 | 109 |
| 2011-12-14 | $109.75 | $70.97 | 32 |
| 2011-12-13 | $117.50 | $74.26 | 62 |
| 2011-12-12 | $117.50 | $73.06 | 64 |
| 2011-12-11 | $116.50 | $73.96 | 82 |
| 2011-12-10 | $116.50 | $75.82 | 109 |
| 2011-12-09 | $115.25 | $99.15 | 3 |
| 2011-12-08 | $115.00 | $74.06 | 44 |
| 2011-12-07 | $101.22 | $74.31 | 41 |
| 2011-12-06 | $102.46 | $73.95 | 68 |
| 2011-12-05 | $115.00 | $75.91 | 106 |
| 2011-12-04 | $114.83 | $74.43 | 67 |
| 2011-12-03 | $114.83 | $75.03 | 62 |
| 2011-12-02 | $114.83 | $73.39 | 22 |
| 2011-12-01 | $108.75 | $63.35 | 47 |
| 2011-11-30 | $108.75 | $69.82 | 100 |
| 2011-11-29 | $108.75 | $65.64 | 127 |
| 2011-11-28 | $108.73 | $70.67 | 15 |
| 2011-11-27 | $108.73 | $65.54 | 16 |
| 2011-11-24 | $108.73 | $65.67 | 17 |
| 2011-11-23 | $97.28 | $67.54 | 18 |
| 2011-11-22 | $97.78 | $61.55 | 15 |
| 2011-11-21 | $97.50 | $65.65 | 86 |
| 2011-11-19 | $97.28 | $93.16 | 3 |
| 2011-11-18 | $97.50 | $64.21 | 86 |
| 2011-11-17 | $97.50 | $65.17 | 83 |
| 2011-11-16 | $97.25 | $65.16 | 91 |
| 2011-11-15 | $96.75 | $62.49 | 138 |
| 2011-11-14 | $87.00 | $86.50 | 2 |
| 2011-11-13 | $96.50 | $61.23 | 89 |
| 2011-11-12 | $96.50 | $60.77 | 62 |
| 2011-11-08 | $96.25 | $67.00 | 13 |
| 2011-11-07 | $96.25 | $66.01 | 55 |
| 2011-11-06 | $96.20 | $64.15 | 53 |
| 2011-11-05 | $96.20 | $62.42 | 28 |
| 2011-11-03 | $96.20 | $71.75 | 14 |
| 2011-11-02 | $96.20 | $66.80 | 37 |
| 2011-10-31 | $96.20 | $63.43 | 27 |
| 2011-10-30 | $100.21 | $60.84 | 48 |
| 2011-10-29 | $96.20 | $63.08 | 12 |
| 2011-10-28 | $100.21 | $63.39 | 20 |
| 2011-10-27 | $100.21 | $79.68 | 31 |
| 2011-10-26 | $100.20 | $76.18 | 24 |
| 2011-10-25 | $119.61 | $73.59 | 26 |
| 2011-10-24 | $96.20 | $63.82 | 29 |
| 2011-10-22 | $123.46 | $67.47 | 62 |
| 2011-10-19 | $96.20 | $68.36 | 16 |
| 2011-10-18 | $123.93 | $72.21 | 37 |
| 2011-10-17 | $123.93 | $69.83 | 50 |
| 2011-10-16 | $123.93 | $68.18 | 64 |
| 2011-10-14 | $123.93 | $75.53 | 56 |
| 2011-10-13 | $123.93 | $79.89 | 52 |
| 2011-10-12 | $123.93 | $79.89 | 30 |
| 2011-10-10 | $115.44 | $76.46 | 69 |
| 2011-10-09 | $96.20 | $70.22 | 10 |
| 2011-10-04 | $115.44 | $74.32 | 16 |
| 2011-10-03 | $115.44 | $68.09 | 67 |
| 2011-09-29 | $120.27 | $81.91 | 31 |
| 2011-09-28 | $115.44 | $78.94 | 92 |
| 2011-09-26 | $115.44 | $83.67 | 36 |
| 2011-09-21 | $116.34 | $70.42 | 692 |
| 2011-09-16 | $106.56 | $78.20 | 14 |
| 2011-09-15 | $116.34 | $75.93 | 16 |
| 2011-09-13 | $116.34 | $82.89 | 62 |
| 2011-09-12 | $116.50 | $79.85 | 109 |
| 2011-09-11 | $116.34 | $81.97 | 32 |
| 2011-09-09 | $116.34 | $85.39 | 15 |
| 2011-09-08 | $116.34 | $73.86 | 70 |
| 2011-09-07 | $111.71 | $78.17 | 45 |
| 2011-09-06 | $118.26 | $83.35 | 14 |
| 2011-09-05 | $118.26 | $79.20 | 16 |
| 2011-09-03 | $118.26 | $74.88 | 42 |
| 2011-09-02 | $118.26 | $79.43 | 33 |
| 2011-09-01 | $118.26 | $77.37 | 130 |
| 2011-08-31 | $118.26 | $79.81 | 85 |
| 2011-08-30 | $124.96 | $80.66 | 80 |
| 2011-08-29 | $118.26 | $83.89 | 17 |
| 2011-08-28 | $118.26 | $77.14 | 147 |
| 2011-08-27 | $116.34 | $76.98 | 68 |
| 2011-08-25 | $114.08 | $79.49 | 67 |
| 2011-08-24 | $123.20 | $78.63 | 33 |
| 2011-08-23 | $117.00 | $80.40 | 47 |
| 2011-08-22 | $116.75 | $78.38 | 52 |
| 2011-08-19 | $117.00 | $80.85 | 133 |
| 2011-08-16 | $116.75 | $81.83 | 66 |
| 2011-08-15 | $116.75 | $80.76 | 88 |
| 2011-08-14 | $116.75 | $79.94 | 106 |
| 2011-08-13 | $116.75 | $80.57 | 53 |
| 2011-08-12 | $116.75 | $84.91 | 36 |
| 2011-08-11 | $116.75 | $86.79 | 16 |
| 2011-08-08 | $116.75 | $86.15 | 85 |
| 2011-08-07 | $116.75 | $86.90 | 51 |
| 2011-08-06 | $116.75 | $82.44 | 70 |
| 2011-08-02 | $104.00 | $84.27 | 48 |
| 2011-08-01 | $103.85 | $78.28 | 32 |
| 2011-07-31 | $104.00 | $80.58 | 71 |
| 2011-07-30 | $103.85 | $78.54 | 35 |
| 2011-07-29 | $103.75 | $83.58 | 108 |
| 2011-07-28 | $103.25 | $82.37 | 96 |
| 2011-07-27 | $103.11 | $81.76 | 42 |
| 2011-07-26 | $103.00 | $79.03 | 134 |
| 2011-07-25 | $103.00 | $75.42 | 34 |
| 2011-07-24 | $9999.99 | $648.01 | 35 |
| 2011-07-23 | $102.00 | $81.72 | 18 |
| 2011-07-22 | $101.60 | $79.82 | 17 |
| 2011-07-21 | $101.25 | $78.66 | 51 |
| 2011-07-20 | $101.25 | $78.28 | 81 |
| 2011-07-19 | $101.25 | $80.05 | 158 |
| 2011-07-17 | $101.25 | $76.48 | 50 |
| 2011-07-14 | $101.10 | $77.57 | 70 |
| 2011-07-13 | $101.10 | $74.87 | 35 |
| 2011-07-12 | $101.10 | $77.00 | 105 |
| 2011-07-11 | $101.10 | $77.15 | 61 |
| 2011-07-09 | $101.10 | $78.52 | 18 |
| 2011-07-08 | $100.97 | $73.73 | 67 |
| 2011-07-06 | $101.15 | $76.93 | 64 |
| 2011-07-04 | $101.10 | $75.90 | 55 |
| 2011-07-03 | $101.10 | $76.63 | 55 |
| 2011-07-02 | $101.10 | $80.17 | 19 |
| 2011-07-01 | $101.10 | $77.00 | 55 |
| 2011-06-28 | $101.10 | $75.57 | 93 |
| 2011-06-27 | $101.10 | $76.26 | 19 |
| 2011-06-26 | $101.10 | $73.65 | 106 |
| 2011-06-24 | $101.10 | $73.99 | 52 |
| 2011-06-23 | $101.10 | $74.89 | 159 |
| 2011-06-22 | $101.10 | $70.35 | 87 |
| 2011-06-21 | $101.10 | $72.31 | 103 |
| 2011-06-20 | $101.10 | $74.89 | 18 |
| 2011-06-19 | $101.10 | $71.29 | 127 |
| 2011-06-18 | $101.10 | $71.77 | 73 |
| 2011-06-16 | $101.10 | $74.65 | 184 |
| 2011-06-15 | $101.10 | $75.10 | 37 |
| 2011-06-14 | $101.10 | $74.33 | 126 |
| 2011-06-13 | $101.10 | $74.07 | 71 |
| 2011-06-12 | $101.10 | $73.83 | 117 |
| 2011-06-11 | $101.10 | $73.72 | 118 |
| 2011-06-10 | $101.10 | $74.35 | 69 |
| 2011-06-09 | $101.10 | $73.46 | 70 |
| 2011-06-08 | $101.10 | $73.90 | 65 |
| 2011-06-07 | $101.10 | $73.52 | 95 |
| 2011-06-06 | $101.74 | $75.26 | 82 |
| 2011-06-05 | $101.10 | $74.60 | 81 |
| 2011-06-04 | $101.10 | $75.36 | 18 |
| 2011-06-03 | $101.10 | $72.96 | 120 |
| 2011-06-02 | $101.10 | $71.18 | 103 |
| 2011-06-01 | $101.10 | $76.27 | 141 |
| 2011-05-31 | $101.10 | $75.50 | 430 |
| 2011-05-30 | $101.10 | $73.16 | 119 |
| 2011-05-28 | $101.10 | $73.11 | 53 |
| 2011-05-27 | $101.10 | $73.51 | 89 |
| 2011-05-26 | $101.10 | $77.71 | 17 |
| 2011-05-25 | $101.10 | $74.15 | 97 |
| 2011-05-24 | $101.10 | $74.29 | 112 |
| 2011-05-23 | $99.75 | $69.98 | 84 |
| 2011-05-22 | $99.35 | $71.40 | 165 |
| 2011-05-21 | $98.75 | $70.90 | 213 |
| 2011-05-20 | $98.25 | $69.83 | 50 |
| 2011-05-19 | $98.25 | $71.69 | 65 |
| 2011-05-18 | $97.25 | $71.40 | 151 |
| 2011-05-17 | $97.25 | $68.32 | 48 |
| 2011-05-16 | $97.25 | $70.16 | 131 |
| 2011-05-15 | $97.23 | $66.07 | 164 |
| 2011-05-13 | $97.23 | $67.25 | 146 |
| 2011-05-12 | $97.23 | $66.94 | 63 |
| 2011-05-11 | $97.23 | $67.28 | 97 |
| 2011-05-09 | $97.23 | $67.47 | 16 |
| 2011-05-06 | $97.23 | $70.87 | 17 |
| 2011-05-05 | $97.23 | $69.90 | 178 |
| 2011-05-04 | $97.23 | $66.40 | 50 |
| 2011-05-03 | $97.23 | $68.51 | 62 |
| 2011-04-28 | $97.23 | $74.60 | 14 |
| 2011-04-27 | $97.23 | $71.22 | 28 |
| 2011-04-26 | $97.30 | $70.00 | 15 |
| 2011-04-25 | $97.30 | $66.38 | 26 |
| 2011-04-20 | $97.30 | $69.53 | 15 |
| 2011-04-19 | $97.30 | $68.95 | 72 |
| 2011-04-14 | $97.30 | $66.07 | 53 |
| 2011-04-13 | $97.30 | $71.17 | 31 |
| 2011-03-30 | $97.30 | $71.52 | 32 |
| 2011-03-29 | $97.30 | $73.18 | 15 |
| 2011-03-27 | $97.30 | $72.27 | 16 |
| 2011-03-25 | $97.30 | $70.79 | 15 |
| 2011-03-24 | $97.30 | $71.75 | 13 |
| 2011-03-23 | $97.30 | $70.80 | 65 |
| 2011-03-22 | $97.30 | $72.33 | 16 |
| 2011-03-18 | $97.30 | $69.32 | 43 |
| 2011-03-17 | $97.30 | $70.34 | 61 |
| 2011-03-15 | $97.30 | $69.31 | 52 |
| 2011-03-14 | $97.30 | $72.84 | 16 |
| 2011-03-10 | $97.30 | $71.29 | 34 |
| 2011-03-03 | $97.30 | $73.24 | 34 |
| 2011-03-01 | $97.30 | $71.13 | 16 |
| 2011-02-28 | $97.30 | $72.31 | 14 |
| 2011-02-24 | $97.30 | $73.91 | 16 |
| 2011-02-22 | $99.74 | $77.66 | 32 |
| 2011-02-18 | $100.42 | $80.77 | 34 |
| 2011-02-11 | $98.69 | $80.60 | 50 |
| 2011-02-10 | $99.31 | $84.48 | 16 |
| 2011-02-08 | $97.30 | $79.27 | 17 |
| 2011-02-03 | $99.26 | $79.58 | 15 |
| 2011-02-02 | $101.29 | $81.20 | 16 |
| 2011-02-01 | $101.60 | $79.39 | 62 |
| 2011-01-31 | $103.50 | $79.86 | 131 |
| 2011-01-30 | $101.89 | $77.67 | 33 |
| 2011-01-29 | $101.60 | $80.55 | 45 |
| 2011-01-28 | $101.60 | $78.57 | 260 |
| 2011-01-27 | $103.52 | $81.16 | 17 |
| 2011-01-26 | $98.27 | $71.44 | 36 |
| 2011-01-24 | $101.39 | $74.96 | 86 |
| 2011-01-23 | $101.39 | $77.18 | 100 |
| 2011-01-22 | $101.39 | $83.35 | 17 |
| 2011-01-21 | $101.48 | $84.69 | 17 |
| 2011-01-20 | $99.93 | $83.60 | 17 |
| 2011-01-19 | $99.67 | $83.04 | 15 |
| 2011-01-18 | $99.86 | $82.62 | 79 |
| 2011-01-17 | $101.44 | $83.37 | 16 |
| 2011-01-15 | $104.68 | $82.30 | 48 |
| 2011-01-13 | $101.02 | $77.92 | 129 |
| 2011-01-12 | $100.99 | $82.51 | 33 |
| 2011-01-11 | $100.97 | $79.88 | 34 |
| 2011-01-10 | $100.95 | $84.65 | 14 |
| 2011-01-09 | $104.37 | $85.18 | 34 |
| 2011-01-08 | $105.84 | $85.07 | 50 |
| 2011-01-07 | $100.68 | $85.84 | 14 |
| 2011-01-06 | $107.26 | $88.84 | 47 |
| 2011-01-05 | $107.10 | $88.30 | 32 |
| 2011-01-04 | $104.40 | $79.20 | 40 |
| 2011-01-03 | $100.68 | $81.18 | 73 |
| 2011-01-02 | $102.99 | $79.75 | 70 |
| 2010-12-24 | $98.54 | $85.81 | 17 |
| 2010-12-23 | $99.27 | $84.75 | 64 |
| 2010-12-22 | $97.23 | $80.99 | 17 |
| 2010-12-19 | $98.14 | $83.44 | 50 |
| 2010-12-18 | $98.09 | $82.34 | 17 |
| 2010-12-17 | $101.98 | $80.00 | 124 |
| 2010-12-16 | $100.86 | $83.40 | 15 |
| 2010-12-14 | $101.98 | $82.57 | 175 |
| 2010-12-11 | $100.88 | $82.98 | 15 |
| 2010-12-10 | $100.92 | $80.99 | 32 |
| 2010-12-09 | $100.92 | $82.63 | 14 |
| 2010-12-07 | $125.52 | $80.69 | 69 |
| 2010-12-06 | $125.52 | $80.07 | 49 |
| 2010-12-05 | $101.05 | $79.15 | 16 |
| 2010-12-03 | $101.05 | $79.88 | 80 |
| 2010-12-02 | $125.52 | $84.09 | 34 |
| 2010-11-30 | $125.52 | $82.38 | 16 |
| 2010-11-29 | $125.52 | $76.88 | 16 |
| 2010-11-28 | $125.52 | $76.51 | 96 |
| 2010-11-26 | $125.52 | $76.43 | 16 |
| 2010-11-25 | $125.52 | $75.97 | 32 |
| 2010-11-24 | $125.52 | $75.62 | 48 |
| 2010-11-23 | $125.52 | $72.14 | 52 |
| 2010-11-22 | $125.52 | $76.29 | 67 |
| 2010-11-19 | $125.52 | $79.74 | 31 |
| 2010-11-17 | $125.52 | $77.40 | 16 |
| 2010-11-14 | $125.52 | $73.12 | 139 |
| 2010-11-10 | $99.25 | $73.90 | 15 |
| 2010-11-09 | $100.80 | $71.84 | 90 |
| 2010-11-08 | $100.80 | $71.13 | 15 |
| 2010-11-06 | $100.50 | $71.46 | 45 |
| 2010-11-05 | $100.50 | $72.55 | 30 |
| 2010-11-01 | $110.88 | $76.03 | 15 |
| 2010-10-29 | $110.88 | $73.94 | 15 |
| 2010-10-28 | $110.88 | $74.44 | 30 |
| 2010-10-23 | $110.88 | $76.76 | 15 |
| 2010-10-15 | $116.09 | $77.43 | 15 |
| 2010-10-14 | $116.25 | $77.71 | 43 |
| 2010-10-11 | $116.25 | $81.13 | 15 |
| 2010-10-07 | $116.25 | $80.36 | 14 |
| 2010-10-06 | $116.09 | $82.69 | 15 |
| 2010-09-30 | $116.09 | $83.57 | 15 |
| 2010-09-29 | $116.09 | $84.09 | 15 |
| 2010-09-23 | $116.09 | $87.33 | 29 |
| 2010-09-16 | $116.09 | $83.23 | 15 |
| 2010-09-14 | $129.39 | $81.63 | 15 |
| 2010-09-11 | $129.39 | $84.57 | 15 |
| 2010-09-08 | $129.39 | $85.06 | 16 |
| 2010-09-05 | $129.39 | $83.22 | 67 |
| 2010-09-04 | $129.39 | $88.42 | 46 |
| 2010-09-03 | $129.39 | $87.39 | 16 |
| 2010-09-02 | $129.39 | $88.50 | 16 |
| 2010-09-01 | $129.39 | $86.60 | 16 |
| 2010-08-26 | $129.39 | $89.77 | 45 |
| 2010-08-23 | $129.39 | $95.86 | 15 |
| 2010-08-22 | $133.54 | $93.49 | 124 |
| 2010-08-21 | $133.54 | $91.33 | 71 |
| 2010-08-20 | $133.54 | $95.57 | 15 |
| 2010-08-19 | $133.54 | $90.24 | 71 |
| 2010-08-17 | $130.48 | $93.46 | 17 |
| 2010-08-16 | $130.39 | $91.85 | 51 |
| 2010-08-15 | $129.39 | $90.69 | 17 |
| 2010-08-14 | $129.39 | $84.98 | 70 |
| 2010-08-13 | $129.39 | $89.95 | 17 |
| 2010-08-12 | $129.39 | $89.24 | 31 |
| 2010-08-11 | $129.39 | $87.20 | 189 |
| 2010-08-10 | $129.39 | $88.28 | 17 |
| 2010-08-08 | $129.39 | $87.65 | 34 |
| 2010-08-06 | $125.73 | $87.95 | 17 |
| 2010-08-04 | $125.73 | $84.67 | 51 |
| 2010-08-02 | $110.29 | $86.26 | 42 |
| 2010-08-01 | $125.73 | $88.41 | 30 |
| 2010-07-31 | $125.73 | $88.00 | 13 |
| 2010-07-29 | $125.73 | $85.38 | 80 |
| 2010-07-26 | $125.73 | $83.48 | 79 |
| 2010-07-23 | $125.73 | $83.85 | 15 |
| 2010-07-13 | $125.73 | $82.90 | 34 |
| 2010-07-12 | $125.73 | $76.45 | 53 |
| 2010-07-11 | $125.73 | $83.07 | 32 |
| 2010-07-10 | $125.73 | $76.80 | 51 |
| 2010-07-09 | $125.73 | $82.52 | 17 |
| 2010-06-29 | $125.73 | $78.12 | 84 |
| 2010-06-28 | $125.73 | $77.42 | 17 |
| 2010-06-24 | $125.73 | $75.76 | 34 |
| 2010-06-23 | $125.73 | $76.81 | 17 |
| 2010-06-19 | $125.73 | $76.77 | 36 |
| 2010-06-17 | $125.73 | $78.32 | 18 |
| 2010-06-14 | $125.73 | $79.12 | 17 |
| 2010-06-11 | $125.73 | $78.69 | 17 |
| 2010-06-06 | $125.73 | $76.85 | 68 |
| 2010-06-01 | $107.95 | $76.74 | 17 |
| 2010-05-31 | $107.95 | $77.05 | 50 |
| 2010-05-21 | $106.00 | $71.20 | 33 |
| 2010-05-20 | $105.51 | $75.58 | 17 |
| 2010-05-12 | $95.75 | $72.58 | 14 |
| 2010-05-10 | $95.75 | $72.69 | 15 |
| 2010-05-09 | $95.75 | $74.91 | 32 |
| 2010-05-07 | $95.75 | $74.17 | 30 |
| 2010-05-06 | $95.61 | $70.75 | 15 |
| 2010-05-05 | $95.61 | $72.71 | 13 |
| 2010-05-03 | $95.75 | $73.85 | 32 |
| 2010-04-30 | $95.50 | $71.15 | 14 |
| 2010-04-29 | $95.50 | $72.84 | 25 |
| 2010-04-28 | $95.28 | $75.01 | 24 |
| 2010-04-22 | $95.71 | $69.92 | 26 |
| 2010-04-07 | $98.30 | $73.07 | 27 |
| 2010-03-29 | $98.54 | $74.27 | 25 |
| 2010-03-24 | $97.12 | $70.57 | 26 |
| 2010-03-23 | $97.12 | $72.56 | 28 |
| 2010-03-22 | $95.22 | $72.16 | 26 |
| 2010-03-19 | $95.22 | $72.78 | 50 |
| 2010-03-18 | $95.38 | $71.02 | 50 |
| 2010-03-17 | $98.62 | $72.11 | 25 |
| 2010-03-16 | $98.75 | $72.20 | 73 |
| 2010-03-15 | $103.46 | $74.72 | 25 |
| 2010-03-08 | $97.12 | $69.87 | 27 |
| 2010-02-23 | $95.22 | $75.29 | 25 |
| 2010-02-22 | $95.22 | $74.83 | 27 |
| 2010-02-18 | $97.47 | $73.39 | 26 |
| 2010-01-13 | $92.76 | $73.89 | 27 |
| 2010-01-10 | $95.87 | $75.84 | 79 |
| 2010-01-09 | $93.32 | $74.94 | 84 |
| 2009-12-14 | $92.40 | $71.10 | 25 |
| 2009-12-10 | $100.94 | $73.02 | 60 |
| 2009-12-04 | $93.32 | $68.19 | 61 |
| 2009-12-03 | $92.40 | $68.60 | 32 |
| 2009-11-26 | $92.40 | $70.28 | 32 |
| 2009-11-06 | $179.97 | $72.76 | 28 |
| 2009-10-12 | $92.40 | $69.96 | 53 |
| 2009-07-07 | $91.47 | $64.22 | 59 |
| 2009-01-31 | $82.50 | $68.57 | 36 |
| 2008-12-11 | $83.86 | $59.85 | 13 |