| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $20.20 | $20.40 | $20.16 | $20.37 | 12,108,400 |
December 30 2010 | $20.41 | $20.46 | $20.18 | $20.26 | 11,675,700 |
December 29 2010 | $20.53 | $20.56 | $20.37 | $20.39 | 12,280,700 |
December 28 2010 | $20.42 | $20.58 | $20.38 | $20.51 | 14,863,300 |
December 27 2010 | $20.32 | $20.60 | $20.24 | $20.52 | 13,823,700 |
December 23 2010 | $20.53 | $20.62 | $20.29 | $20.37 | 16,954,800 |
December 22 2010 | $20.30 | $20.78 | $20.29 | $20.58 | 29,063,200 |
December 21 2010 | $19.80 | $20.31 | $19.76 | $20.26 | 25,481,400 |
December 20 2010 | $19.74 | $19.91 | $19.62 | $19.79 | 22,290,400 |
December 17 2010 | $19.72 | $19.88 | $19.53 | $19.70 | 37,736,800 |
December 16 2010 | $19.62 | $19.96 | $19.53 | $19.74 | 34,396,900 |
December 15 2010 | $19.58 | $19.81 | $19.49 | $19.58 | 36,800,800 |
December 14 2010 | $19.81 | $19.95 | $19.50 | $19.60 | 26,799,300 |
December 13 2010 | $20.04 | $20.10 | $19.72 | $19.87 | 30,423,700 |
December 10 2010 | $19.93 | $20.09 | $19.83 | $19.90 | 40,143,400 |
December 09 2010 | $19.43 | $19.79 | $19.39 | $19.77 | 45,744,200 |
December 08 2010 | $18.77 | $19.31 | $18.74 | $19.31 | 31,376,300 |
December 07 2010 | $19.12 | $19.23 | $18.68 | $18.72 | 30,166,400 |
December 06 2010 | $18.97 | $19.13 | $18.89 | $18.89 | 27,255,700 |
December 03 2010 | $18.64 | $19.15 | $18.60 | $19.10 | 36,853,100 |
December 02 2010 | $18.16 | $18.92 | $18.14 | $18.92 | 43,197,400 |
December 01 2010 | $18.13 | $18.28 | $17.88 | $18.10 | 35,338,900 |
November 30 2010 | $17.67 | $18.03 | $17.65 | $17.89 | 33,064,700 |
November 29 2010 | $17.47 | $17.98 | $17.43 | $17.88 | 31,181,000 |
November 26 2010 | $17.70 | $17.85 | $17.52 | $17.52 | 9,239,700 |