| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $21.08 | $21.17 | $20.95 | $21.16 | 24,752,000 |
December 30 2010 | $21.17 | $21.23 | $21.06 | $21.12 | 20,786,100 |
December 29 2010 | $21.18 | $21.32 | $21.14 | $21.21 | 19,502,500 |
December 28 2010 | $21.21 | $21.36 | $21.20 | $21.24 | 23,042,200 |
December 27 2010 | $21.32 | $21.38 | $21.14 | $21.28 | 21,652,800 |
December 23 2010 | $21.21 | $21.47 | $21.20 | $21.46 | 24,902,500 |
December 22 2010 | $21.24 | $21.53 | $21.22 | $21.37 | 42,252,300 |
December 21 2010 | $21.12 | $21.34 | $21.05 | $21.28 | 38,153,000 |
December 20 2010 | $21.19 | $21.22 | $20.99 | $21.09 | 52,811,000 |
December 17 2010 | $21.17 | $21.30 | $21.04 | $21.15 | 87,456,500 |
December 16 2010 | $21.05 | $21.22 | $20.97 | $21.22 | 57,680,200 |
December 15 2010 | $20.87 | $21.22 | $20.87 | $21.12 | 69,634,200 |
December 14 2010 | $20.71 | $21.04 | $20.67 | $20.94 | 64,070,500 |
December 13 2010 | $20.68 | $20.81 | $20.60 | $20.66 | 47,943,900 |
December 10 2010 | $20.62 | $20.78 | $20.56 | $20.73 | 37,625,800 |
December 09 2010 | $20.68 | $20.73 | $20.48 | $20.53 | 47,148,300 |
December 08 2010 | $20.34 | $20.65 | $20.32 | $20.65 | 41,666,800 |
December 07 2010 | $20.53 | $20.57 | $20.36 | $20.37 | 57,860,500 |
December 06 2010 | $20.42 | $20.46 | $20.29 | $20.35 | 36,264,200 |
December 03 2010 | $20.33 | $20.52 | $20.31 | $20.49 | 52,622,000 |
December 02 2010 | $19.90 | $20.46 | $19.87 | $20.39 | 91,759,200 |
December 01 2010 | $19.39 | $19.90 | $19.38 | $19.74 | 74,123,500 |
November 30 2010 | $18.99 | $19.31 | $18.96 | $19.15 | 75,282,100 |
November 29 2010 | $19.10 | $19.27 | $18.90 | $19.19 | 56,603,600 |
November 26 2010 | $19.11 | $19.27 | $19.08 | $19.15 | 21,356,500 |