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| Date | Max Price | Avg Price | # Prices |
|---|---|---|---|
| 2012-02-05 | $9.34 | $4.14 | 41 |
| 2012-02-04 | $10.25 | $4.41 | 39 |
| 2012-02-03 | $10.29 | $5.43 | 13 |
| 2012-02-02 | $9.12 | $6.39 | 7 |
| 2012-02-01 | $9.98 | $5.29 | 50 |
| 2012-01-31 | $12.90 | $5.31 | 42 |
| 2012-01-30 | $8.62 | $4.88 | 23 |
| 2012-01-29 | $8.49 | $4.62 | 30 |
| 2012-01-28 | $9.03 | $4.87 | 39 |
| 2012-01-27 | $9.41 | $5.00 | 16 |
| 2012-01-25 | $8.64 | $4.71 | 33 |
| 2012-01-23 | $8.71 | $4.87 | 19 |
| 2012-01-22 | $7.48 | $4.69 | 14 |
| 2012-01-21 | $8.92 | $5.03 | 41 |
| 2012-01-20 | $8.80 | $5.14 | 29 |
| 2012-01-19 | $8.95 | $5.28 | 59 |
| 2012-01-18 | $8.82 | $5.12 | 38 |
| 2012-01-17 | $8.82 | $4.85 | 190 |
| 2012-01-16 | $8.82 | $5.35 | 29 |
| 2012-01-15 | $8.84 | $6.46 | 14 |
| 2012-01-14 | $8.84 | $6.69 | 6 |
| 2012-01-13 | $15.50 | $6.37 | 39 |
| 2012-01-12 | $13.75 | $6.08 | 119 |
| 2012-01-11 | $9.37 | $5.27 | 39 |
| 2012-01-10 | $9.23 | $4.92 | 54 |
| 2012-01-09 | $7.00 | $3.51 | 7 |
| 2012-01-08 | $7.50 | $3.76 | 16 |
| 2012-01-07 | $8.52 | $4.11 | 52 |
| 2012-01-06 | $7.00 | $4.04 | 11 |
| 2012-01-05 | $9.39 | $5.07 | 6 |
| 2012-01-04 | $8.12 | $4.81 | 49 |
| 2012-01-03 | $9.45 | $4.89 | 39 |
| 2012-01-02 | $8.55 | $5.53 | 9 |
| 2012-01-01 | $9.45 | $4.96 | 25 |
| 2011-12-31 | $6.40 | $4.42 | 9 |
| 2011-12-30 | $3.06 | $2.23 | 7 |
| 2011-12-29 | $3.06 | $2.38 | 2 |
| 2011-12-28 | $2.00 | $1.80 | 9 |
| 2011-12-27 | $2.00 | $1.82 | 9 |
| 2011-12-26 | $3.00 | $2.00 | 7 |
| 2011-12-24 | $3.00 | $2.35 | 2 |
| 2011-12-23 | $3.00 | $2.22 | 2 |
| 2011-12-22 | $3.00 | $2.23 | 4 |
| 2011-12-21 | $6.35 | $3.31 | 8 |
| 2011-12-20 | $6.35 | $3.27 | 4 |
| 2011-12-19 | $6.35 | $3.92 | 6 |
| 2011-12-18 | $6.35 | $3.87 | 4 |
| 2011-12-17 | $7.36 | $4.42 | 4 |
| 2011-12-16 | $7.47 | $4.93 | 7 |
| 2011-12-15 | $7.93 | $4.79 | 66 |
| 2011-12-14 | $7.58 | $5.21 | 10 |
| 2011-12-13 | $8.00 | $5.72 | 10 |
| 2011-12-08 | $7.80 | $4.62 | 2 |
| 2011-12-07 | $7.88 | $4.63 | 2 |
| 2011-12-05 | $7.34 | $4.25 | 2 |
| 2011-12-04 | $8.34 | $4.83 | 4 |
| 2011-11-28 | $8.08 | $3.90 | 5 |
| 2011-11-23 | $7.70 | $7.70 | 2 |
| 2011-11-21 | $7.66 | $4.38 | 2 |
| 2011-11-20 | $7.93 | $3.82 | 8 |
| 2011-11-19 | $8.07 | $4.70 | 2 |
| 2011-11-17 | $8.05 | $4.72 | 8 |
| 2011-11-16 | $1.52 | $1.29 | 3 |
| 2011-11-14 | $1.52 | $1.33 | 5 |
| 2011-11-11 | $1.52 | $1.34 | 3 |
| 2011-11-04 | $1.49 | $1.28 | 2 |
| 2011-10-30 | $1.46 | $1.39 | 2 |
| 2011-10-27 | $1.52 | $1.51 | 2 |
| 2011-10-26 | $2.19 | $1.63 | 6 |
| 2011-10-24 | $11.42 | $2.81 | 8 |
| 2011-10-21 | $1.50 | $1.41 | 3 |
| 2011-10-20 | $1.64 | $1.64 | 1 |
| 2011-10-19 | $1.64 | $1.64 | 1 |
| 2011-10-18 | $2.10 | $2.10 | 1 |
| 2011-10-08 | $8.65 | $2.93 | 11 |
| 2011-10-07 | $8.65 | $3.34 | 10 |
| 2011-10-05 | $8.65 | $3.23 | 8 |
| 2011-10-04 | $8.65 | $3.17 | 9 |
| 2011-09-16 | $16.65 | $7.94 | 9 |
| 2011-09-14 | $8.77 | $5.46 | 7 |
| 2011-09-11 | $14.63 | $8.67 | 27 |
| 2011-09-09 | $11.75 | $8.74 | 17 |
| 2011-09-06 | $9.87 | $7.32 | 10 |
| 2011-09-05 | $11.75 | $7.81 | 10 |
| 2011-09-03 | $16.65 | $8.41 | 10 |
| 2011-09-02 | $16.65 | $8.60 | 57 |
| 2011-09-01 | $10.75 | $8.16 | 18 |
| 2011-08-31 | $11.87 | $7.96 | 8 |
| 2011-08-29 | $9.25 | $6.65 | 9 |
| 2011-08-28 | $25.46 | $8.61 | 10 |
| 2011-08-26 | $23.90 | $8.95 | 20 |
| 2011-08-23 | $13.25 | $6.44 | 27 |
| 2011-08-22 | $13.50 | $6.20 | 18 |
| 2011-08-20 | $8.75 | $5.23 | 18 |
| 2011-08-18 | $60.13 | $7.24 | 31 |
| 2011-08-17 | $9.89 | $5.11 | 20 |
| 2011-08-16 | $7.56 | $4.48 | 10 |
| 2011-08-13 | $60.13 | $9.63 | 12 |
| 2011-08-12 | $60.13 | $9.70 | 24 |
| 2011-08-11 | $60.13 | $8.90 | 48 |
| 2011-08-10 | $11.50 | $5.88 | 10 |
| 2011-08-09 | $11.00 | $5.74 | 23 |
| 2011-08-08 | $60.13 | $10.06 | 11 |
| 2011-08-07 | $60.13 | $9.31 | 22 |
| 2011-08-06 | $60.13 | $6.67 | 25 |
| 2011-08-03 | $10.80 | $4.58 | 11 |
| 2011-08-01 | $10.80 | $3.89 | 9 |
| 2011-07-31 | $7.20 | $4.10 | 11 |
| 2011-07-28 | $10.40 | $5.64 | 10 |
| 2011-07-26 | $8.96 | $4.56 | 18 |
| 2011-07-23 | $8.76 | $4.72 | 33 |
| 2011-07-22 | $9.44 | $4.95 | 11 |
| 2011-07-18 | $18.75 | $6.61 | 7 |
| 2011-07-17 | $18.75 | $6.58 | 30 |
| 2011-07-15 | $18.75 | $10.18 | 10 |
| 2011-07-12 | $18.90 | $10.93 | 7 |
| 2011-07-07 | $21.17 | $12.36 | 11 |
| 2011-07-06 | $21.19 | $12.01 | 12 |
| 2011-07-05 | $21.52 | $12.86 | 24 |
| 2011-07-02 | $21.69 | $14.29 | 22 |
| 2011-07-01 | $22.72 | $12.74 | 27 |
| 2011-06-30 | $60.23 | $16.80 | 16 |
| 2011-06-29 | $33.13 | $14.07 | 15 |
| 2011-06-27 | $60.23 | $14.20 | 15 |
| 2011-06-26 | $60.23 | $14.22 | 16 |
| 2011-06-25 | $60.23 | $14.32 | 16 |
| 2011-06-24 | $33.13 | $10.85 | 67 |
| 2011-06-23 | $60.23 | $12.82 | 73 |
| 2011-06-21 | $60.23 | $14.26 | 47 |
| 2011-06-20 | $60.23 | $14.48 | 128 |
| 2011-06-19 | $60.23 | $13.62 | 83 |
| 2011-06-18 | $60.23 | $13.73 | 86 |
| 2011-06-17 | $60.23 | $16.28 | 16 |
| 2011-06-16 | $60.23 | $16.88 | 50 |
| 2011-06-15 | $60.23 | $17.38 | 63 |
| 2011-06-14 | $60.23 | $17.87 | 16 |
| 2011-06-13 | $60.23 | $17.05 | 120 |
| 2011-06-12 | $60.23 | $18.07 | 72 |
| 2011-06-11 | $60.23 | $19.55 | 28 |
| 2011-06-10 | $60.23 | $19.07 | 134 |
| 2011-06-09 | $60.23 | $19.19 | 14 |
| 2011-06-08 | $60.23 | $20.32 | 10 |
| 2011-06-07 | $60.23 | $21.02 | 23 |
| 2011-06-06 | $60.23 | $19.62 | 19 |
| 2011-06-05 | $60.23 | $22.28 | 11 |
| 2011-06-04 | $60.23 | $21.08 | 21 |
| 2011-06-03 | $60.23 | $21.57 | 19 |
| 2011-06-02 | $60.23 | $22.77 | 20 |
| 2011-06-01 | $60.23 | $19.34 | 13 |
| 2011-05-31 | $60.23 | $19.83 | 23 |
| 2011-05-30 | $60.23 | $19.76 | 12 |
| 2011-05-29 | $60.23 | $20.29 | 12 |
| 2011-05-28 | $60.23 | $20.68 | 12 |
| 2011-05-27 | $60.23 | $20.05 | 11 |
| 2011-05-26 | $60.23 | $16.95 | 45 |
| 2011-05-25 | $28.08 | $14.52 | 21 |
| 2011-05-24 | $21.77 | $11.89 | 33 |
| 2011-05-23 | $19.20 | $10.81 | 31 |
| 2011-05-22 | $17.81 | $10.41 | 22 |
| 2011-05-21 | $19.16 | $10.81 | 10 |
| 2011-05-20 | $5.77 | $5.77 | 1 |
| 2011-05-19 | $21.44 | $11.83 | 10 |
| 2011-05-18 | $21.11 | $10.88 | 13 |
| 2011-05-17 | $21.11 | $11.04 | 76 |
| 2011-05-16 | $20.80 | $10.60 | 26 |
| 2011-05-15 | $20.80 | $10.86 | 41 |
| 2011-05-14 | $20.80 | $10.90 | 39 |
| 2011-05-13 | $21.44 | $10.46 | 53 |
| 2011-05-12 | $44.00 | $12.86 | 80 |
| 2011-05-11 | $44.00 | $12.34 | 90 |
| 2011-05-10 | $44.00 | $12.29 | 114 |
| 2011-05-09 | $44.00 | $12.23 | 81 |
| 2011-05-08 | $44.00 | $13.24 | 68 |
| 2011-05-07 | $44.00 | $12.08 | 44 |
| 2011-05-06 | $44.00 | $14.42 | 39 |
| 2011-05-05 | $44.00 | $16.01 | 105 |
| 2011-05-04 | $44.00 | $19.60 | 159 |
| 2011-05-03 | $48.17 | $24.07 | 33 |
| 2011-05-02 | $49.59 | $26.04 | 56 |
| 2011-05-01 | $52.21 | $26.99 | 23 |
| 2011-04-30 | $52.47 | $23.44 | 26 |
| 2011-04-29 | $52.37 | $25.87 | 81 |
| 2011-04-28 | $47.25 | $27.95 | 40 |
| 2011-04-27 | $53.54 | $31.30 | 41 |
| 2011-04-26 | $52.50 | $31.91 | 43 |
| 2011-04-25 | $54.25 | $30.13 | 25 |
| 2011-04-24 | $50.15 | $27.69 | 11 |
| 2011-04-23 | $48.44 | $28.90 | 14 |
| 2011-04-22 | $48.44 | $28.14 | 27 |
| 2011-04-21 | $53.39 | $32.35 | 37 |
| 2011-04-20 | $55.99 | $28.27 | 67 |
| 2011-04-19 | $46.75 | $26.60 | 12 |
| 2011-04-18 | $49.87 | $31.08 | 22 |
| 2011-04-17 | $52.13 | $29.53 | 24 |
| 2011-04-16 | $54.55 | $31.97 | 24 |
| 2011-04-15 | $52.02 | $30.42 | 26 |
| 2011-04-14 | $53.99 | $31.00 | 24 |
| 2011-04-13 | $49.48 | $29.38 | 12 |
| 2011-04-12 | $50.00 | $29.70 | 12 |
| 2011-04-11 | $55.30 | $31.30 | 13 |
| 2011-04-10 | $44.03 | $27.06 | 12 |
| 2011-04-09 | $52.17 | $29.41 | 12 |
| 2011-04-08 | $53.10 | $30.96 | 14 |
| 2011-04-07 | $59.75 | $32.55 | 27 |
| 2011-04-06 | $53.10 | $31.10 | 38 |
| 2011-04-04 | $53.00 | $25.66 | 80 |
| 2011-04-02 | $64.93 | $28.23 | 72 |
| 2011-03-31 | $59.94 | $31.17 | 30 |
| 2011-03-30 | $62.99 | $32.16 | 45 |
| 2011-03-28 | $58.90 | $30.31 | 15 |
| 2011-03-27 | $50.81 | $28.27 | 15 |
| 2011-03-25 | $51.79 | $26.44 | 16 |
| 2011-03-23 | $55.61 | $27.63 | 15 |
| 2011-03-22 | $51.17 | $26.43 | 15 |
| 2011-03-21 | $44.53 | $23.53 | 16 |
| 2011-03-20 | $45.75 | $23.28 | 32 |
| 2011-03-19 | $45.71 | $23.09 | 15 |
| 2011-03-13 | $54.99 | $20.96 | 47 |
| 2011-03-11 | $43.98 | $19.00 | 31 |
| 2011-03-10 | $43.98 | $21.20 | 31 |
| 2011-03-08 | $47.45 | $25.24 | 46 |
| 2011-03-07 | $43.98 | $20.79 | 16 |
| 2011-03-06 | $43.98 | $22.44 | 16 |
| 2011-03-05 | $60.23 | $20.86 | 28 |
| 2011-03-04 | $43.98 | $21.95 | 16 |
| 2011-03-03 | $45.52 | $23.71 | 15 |
| 2011-03-02 | $60.23 | $23.04 | 81 |
| 2011-03-01 | $49.76 | $27.29 | 15 |
| 2011-02-28 | $48.98 | $25.38 | 16 |
| 2011-02-26 | $52.61 | $25.82 | 32 |
| 2011-02-25 | $52.49 | $27.89 | 30 |
| 2011-02-24 | $50.86 | $27.73 | 15 |
| 2011-02-23 | $52.80 | $27.09 | 29 |
| 2011-02-22 | $53.60 | $26.62 | 30 |
| 2011-02-21 | $51.05 | $25.94 | 15 |
| 2011-02-18 | $48.27 | $24.60 | 16 |
| 2011-02-08 | $48.98 | $23.45 | 13 |
| 2011-02-07 | $49.68 | $24.33 | 28 |
| 2011-02-04 | $52.61 | $28.04 | 26 |
| 2011-02-03 | $69.65 | $30.51 | 13 |
| 2011-02-02 | $36.37 | $36.37 | 1 |
| 2011-02-01 | $69.65 | $33.10 | 13 |
| 2011-01-31 | $69.87 | $36.19 | 14 |
| 2011-01-29 | $70.00 | $33.54 | 43 |
| 2011-01-28 | $69.65 | $32.45 | 45 |
| 2011-01-27 | $69.65 | $30.19 | 15 |
| 2011-01-26 | $69.65 | $30.32 | 31 |
| 2011-01-25 | $70.54 | $32.64 | 72 |
| 2011-01-21 | $74.75 | $39.41 | 15 |
| 2011-01-19 | $89.96 | $46.22 | 15 |
| 2011-01-17 | $89.99 | $48.62 | 17 |
| 2011-01-16 | $92.82 | $45.51 | 28 |
| 2011-01-15 | $92.86 | $47.89 | 28 |
| 2011-01-12 | $93.59 | $45.01 | 47 |
| 2011-01-11 | $91.24 | $45.51 | 78 |
| 2011-01-10 | $85.31 | $43.71 | 29 |
| 2011-01-08 | $73.75 | $42.02 | 13 |
| 2011-01-07 | $81.85 | $47.40 | 30 |
| 2011-01-06 | $81.85 | $49.80 | 14 |
| 2011-01-02 | $73.00 | $42.07 | 14 |
| 2011-01-01 | $73.00 | $40.82 | 30 |
| 2010-12-30 | $69.65 | $39.09 | 15 |
| 2010-12-28 | $69.69 | $39.83 | 16 |
| 2010-12-25 | $69.65 | $37.63 | 16 |
| 2010-12-18 | $69.65 | $35.83 | 14 |
| 2010-12-16 | $69.65 | $35.03 | 73 |
| 2010-12-15 | $69.65 | $34.48 | 73 |
| 2010-12-14 | $69.65 | $32.29 | 13 |
| 2010-12-13 | $69.65 | $31.52 | 31 |
| 2010-12-10 | $69.65 | $39.56 | 15 |
| 2010-12-09 | $69.65 | $37.32 | 69 |
| 2010-12-07 | $69.65 | $40.09 | 14 |
| 2010-12-06 | $69.65 | $38.74 | 27 |
| 2010-12-05 | $69.65 | $40.92 | 45 |
| 2010-12-03 | $69.65 | $40.88 | 14 |
| 2010-11-29 | $69.65 | $44.08 | 14 |
| 2010-11-24 | $69.65 | $41.10 | 14 |
| 2010-11-23 | $69.65 | $48.79 | 26 |
| 2010-11-22 | $69.65 | $51.75 | 26 |
| 2010-11-18 | $69.98 | $48.53 | 28 |
| 2010-11-16 | $69.65 | $50.15 | 14 |
| 2010-11-14 | $65.00 | $50.54 | 26 |
| 2010-11-13 | $65.00 | $49.92 | 13 |
| 2010-11-12 | $71.22 | $50.95 | 26 |
| 2010-11-10 | $119.70 | $51.93 | 127 |
| 2010-11-08 | $119.70 | $55.97 | 27 |
| 2010-11-06 | $119.70 | $59.53 | 56 |
| 2010-11-05 | $119.70 | $61.41 | 66 |
| 2010-11-04 | $119.70 | $61.30 | 14 |
| 2010-10-24 | $119.70 | $66.46 | 61 |
| 2010-10-21 | $119.70 | $59.55 | 65 |
| 2010-10-20 | $119.70 | $61.77 | 55 |
| 2010-10-19 | $119.70 | $60.11 | 60 |
| 2010-10-18 | $119.70 | $61.97 | 27 |
| 2010-10-14 | $119.70 | $67.56 | 15 |
| 2010-10-10 | $78.07 | $59.86 | 16 |
| 2010-10-07 | $119.70 | $70.72 | 15 |
| 2010-10-06 | $119.70 | $71.63 | 44 |
| 2010-09-25 | $119.70 | $60.49 | 37 |
| 2010-09-24 | $119.70 | $67.77 | 16 |
| 2010-09-23 | $119.70 | $71.59 | 15 |
| 2010-09-15 | $119.70 | $69.29 | 16 |
| 2010-09-12 | $119.70 | $71.00 | 16 |
| 2010-09-08 | $119.70 | $68.50 | 53 |
| 2010-09-03 | $119.70 | $69.78 | 17 |
| 2010-09-01 | $119.70 | $67.47 | 340 |
| 2010-08-28 | $119.70 | $70.15 | 17 |
| 2010-08-27 | $119.70 | $70.17 | 17 |
| 2010-08-26 | $119.70 | $70.76 | 50 |
| 2010-08-25 | $119.70 | $72.08 | 17 |
| 2010-08-24 | $119.70 | $72.49 | 15 |
| 2010-08-23 | $119.70 | $75.19 | 30 |
| 2010-08-22 | $100.15 | $72.59 | 15 |
| 2010-08-21 | $119.69 | $75.02 | 36 |
| 2010-08-19 | $104.14 | $70.79 | 17 |
| 2010-08-18 | $99.74 | $70.75 | 18 |
| 2010-08-15 | $96.94 | $69.58 | 18 |
| 2010-08-13 | $94.07 | $69.94 | 17 |
| 2010-08-12 | $95.02 | $68.36 | 52 |
| 2010-08-11 | $82.75 | $63.86 | 34 |
| 2010-08-10 | $82.29 | $66.69 | 17 |
| 2010-08-09 | $81.98 | $63.49 | 30 |
| 2010-08-06 | $105.37 | $63.41 | 70 |
| 2010-08-03 | $81.44 | $61.13 | 15 |
| 2010-07-26 | $105.37 | $61.35 | 32 |
| 2010-07-24 | $105.37 | $56.12 | 53 |
| 2010-07-13 | $105.37 | $60.93 | 34 |
| 2010-07-11 | $105.37 | $59.36 | 17 |
| 2010-07-09 | $105.37 | $62.03 | 18 |
| 2010-07-07 | $105.37 | $62.21 | 17 |
| 2010-07-06 | $105.37 | $61.67 | 34 |
| 2010-07-05 | $105.37 | $60.80 | 36 |
| 2010-07-01 | $105.37 | $59.22 | 127 |
| 2010-06-28 | $105.38 | $61.71 | 36 |
| 2010-06-17 | $105.38 | $58.04 | 54 |
| 2010-06-11 | $105.38 | $56.02 | 18 |
| 2010-06-06 | $105.38 | $61.17 | 17 |
| 2010-06-05 | $105.38 | $64.74 | 18 |
| 2010-06-04 | $87.94 | $63.26 | 35 |
| 2010-06-03 | $87.94 | $63.82 | 18 |
| 2010-06-02 | $87.41 | $63.36 | 18 |
| 2010-05-20 | $86.30 | $62.24 | 36 |
| 2010-05-18 | $86.02 | $60.71 | 18 |
| 2010-05-14 | $85.50 | $60.42 | 102 |
| 2010-05-12 | $78.61 | $58.10 | 15 |
| 2010-05-10 | $81.44 | $58.39 | 15 |
| 2010-05-08 | $81.44 | $58.28 | 16 |
| 2010-05-07 | $35.00 | $35.00 | 3 |
| 2010-05-06 | $82.15 | $61.62 | 17 |
| 2010-05-03 | $82.12 | $58.09 | 99 |
| 2010-05-02 | $82.09 | $57.73 | 52 |
| 2010-04-28 | $85.00 | $60.08 | 23 |
| 2010-04-21 | $81.21 | $54.34 | 79 |
| 2010-04-20 | $81.09 | $54.51 | 55 |
| 2010-04-18 | $81.00 | $54.65 | 26 |
| 2010-04-14 | $80.81 | $54.71 | 27 |
| 2010-04-06 | $85.46 | $58.09 | 24 |
| 2010-04-01 | $85.44 | $58.34 | 27 |
| 2010-03-29 | $85.36 | $58.80 | 108 |
| 2010-03-22 | $81.44 | $59.96 | 53 |
| 2010-03-14 | $81.44 | $58.09 | 25 |
| 2010-03-11 | $81.44 | $59.67 | 26 |
| 2010-03-05 | $81.53 | $60.30 | 53 |
| 2010-02-21 | $85.31 | $62.13 | 27 |
| 2010-02-18 | $85.41 | $62.06 | 27 |
| 2010-02-12 | $85.33 | $64.31 | 25 |
| 2010-02-11 | $85.33 | $64.13 | 25 |
| 2010-02-10 | $85.33 | $60.78 | 24 |
| 2010-02-09 | $85.33 | $62.61 | 25 |
| 2010-01-21 | $82.47 | $61.36 | 156 |
| 2010-01-13 | $91.20 | $63.74 | 26 |
| 2010-01-08 | $85.70 | $63.21 | 27 |
| 2009-12-19 | $81.62 | $59.06 | 88 |
| 2009-12-16 | $81.62 | $57.20 | 148 |
| 2009-12-15 | $81.62 | $58.63 | 28 |
| 2009-12-14 | $81.62 | $57.67 | 60 |
| 2009-12-13 | $81.60 | $60.06 | 28 |
| 2009-12-12 | $80.80 | $59.88 | 57 |
| 2009-12-11 | $80.00 | $60.82 | 30 |
| 2009-12-10 | $80.00 | $61.16 | 118 |
| 2009-12-09 | $80.00 | $60.77 | 89 |
| 2009-12-07 | $88.98 | $61.14 | 32 |
| 2009-12-06 | $98.97 | $61.23 | 33 |
| 2009-12-01 | $92.51 | $60.74 | 31 |
| 2009-11-27 | $89.65 | $59.50 | 34 |
| 2009-11-26 | $90.52 | $58.70 | 34 |
| 2009-11-23 | $102.87 | $60.72 | 32 |
| 2009-11-22 | $104.00 | $60.88 | 32 |
| 2009-11-20 | $104.00 | $63.05 | 27 |
| 2009-11-18 | $103.17 | $64.13 | 32 |
| 2009-11-10 | $104.00 | $64.84 | 32 |
| 2009-11-09 | $104.00 | $64.36 | 30 |
| 2009-10-31 | $87.04 | $63.48 | 30 |
| 2009-10-15 | $87.04 | $67.50 | 29 |
| 2009-09-26 | $86.95 | $65.65 | 29 |
| 2009-09-13 | $100.11 | $71.34 | 28 |
| 2009-09-12 | $100.11 | $70.63 | 28 |
| 2009-09-09 | $86.95 | $70.42 | 59 |
| 2009-09-01 | $111.70 | $72.83 | 62 |
| 2009-08-28 | $111.70 | $71.82 | 61 |
| 2009-08-26 | $111.70 | $72.09 | 60 |
| 2009-08-25 | $111.70 | $72.61 | 31 |
| 2009-08-13 | $91.95 | $68.90 | 31 |
| 2009-08-12 | $91.95 | $68.33 | 62 |
| 2009-08-10 | $91.95 | $68.70 | 240 |
| 2009-06-07 | $86.73 | $57.90 | 59 |
| 2009-05-30 | $98.75 | $63.96 | 29 |
| 2009-05-24 | $89.25 | $64.65 | 30 |
| 2009-05-21 | $89.25 | $65.77 | 30 |
| 2009-05-19 | $89.25 | $64.77 | 29 |
| 2009-05-18 | $89.25 | $67.59 | 28 |
| 2009-05-17 | $89.25 | $64.98 | 29 |
| 2009-05-10 | $89.25 | $64.26 | 30 |
| 2009-04-30 | $89.90 | $65.32 | 92 |
| 2009-04-21 | $81.45 | $63.19 | 30 |
| 2009-04-16 | $86.95 | $64.28 | 62 |
| 2009-01-02 | $86.96 | $54.94 | 25 |
| 2008-12-29 | $86.96 | $54.39 | 47 |
| 2008-12-19 | $85.28 | $61.81 | 25 |
| 2008-10-11 | $82.60 | $64.56 | 24 |
| 2008-10-10 | $82.60 | $63.62 | 23 |