| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $20.31 | $20.52 | $20.27 | $20.49 | 12,108,400 |
December 30 2010 | $20.52 | $20.58 | $20.30 | $20.38 | 11,675,700 |
December 29 2010 | $20.65 | $20.68 | $20.48 | $20.51 | 12,280,700 |
December 28 2010 | $20.54 | $20.69 | $20.50 | $20.63 | 14,863,300 |
December 27 2010 | $20.44 | $20.72 | $20.35 | $20.64 | 13,823,700 |
December 23 2010 | $20.65 | $20.73 | $20.40 | $20.49 | 16,954,800 |
December 22 2010 | $20.42 | $20.90 | $20.40 | $20.70 | 29,063,200 |
December 21 2010 | $19.91 | $20.42 | $19.87 | $20.38 | 25,481,400 |
December 20 2010 | $19.85 | $20.02 | $19.74 | $19.90 | 22,290,400 |
December 17 2010 | $19.83 | $19.99 | $19.64 | $19.81 | 37,736,800 |
December 16 2010 | $19.73 | $20.07 | $19.64 | $19.85 | 34,396,900 |
December 15 2010 | $19.69 | $19.92 | $19.60 | $19.70 | 36,800,800 |
December 14 2010 | $19.92 | $20.06 | $19.61 | $19.72 | 26,799,300 |
December 13 2010 | $20.16 | $20.21 | $19.84 | $19.98 | 30,423,700 |
December 10 2010 | $20.05 | $20.21 | $19.94 | $20.01 | 40,143,400 |
December 09 2010 | $19.54 | $19.91 | $19.50 | $19.88 | 45,744,200 |
December 08 2010 | $18.88 | $19.42 | $18.84 | $19.42 | 31,376,300 |
December 07 2010 | $19.23 | $19.34 | $18.79 | $18.82 | 30,166,400 |
December 06 2010 | $19.08 | $19.24 | $19.00 | $19.00 | 27,255,700 |
December 03 2010 | $18.74 | $19.26 | $18.71 | $19.21 | 36,853,100 |
December 02 2010 | $18.27 | $19.03 | $18.24 | $19.03 | 43,197,400 |
December 01 2010 | $18.24 | $18.38 | $17.98 | $18.20 | 35,338,900 |
November 30 2010 | $17.77 | $18.14 | $17.75 | $17.99 | 33,064,700 |
November 29 2010 | $17.57 | $18.08 | $17.53 | $17.98 | 31,181,000 |
November 26 2010 | $17.80 | $17.95 | $17.62 | $17.62 | 9,239,700 |