| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $21.12 | $21.21 | $20.99 | $21.20 | 24,752,000 |
December 30 2010 | $21.21 | $21.27 | $21.10 | $21.16 | 20,786,100 |
December 29 2010 | $21.22 | $21.36 | $21.18 | $21.25 | 19,502,500 |
December 28 2010 | $21.25 | $21.40 | $21.24 | $21.28 | 23,042,200 |
December 27 2010 | $21.36 | $21.42 | $21.18 | $21.32 | 21,652,800 |
December 23 2010 | $21.25 | $21.51 | $21.24 | $21.50 | 24,902,500 |
December 22 2010 | $21.28 | $21.57 | $21.26 | $21.41 | 42,252,300 |
December 21 2010 | $21.16 | $21.38 | $21.09 | $21.32 | 38,153,000 |
December 20 2010 | $21.23 | $21.26 | $21.03 | $21.13 | 52,811,000 |
December 17 2010 | $21.21 | $21.34 | $21.08 | $21.19 | 87,456,500 |
December 16 2010 | $21.09 | $21.26 | $21.01 | $21.26 | 57,680,200 |
December 15 2010 | $20.91 | $21.26 | $20.91 | $21.16 | 69,634,200 |
December 14 2010 | $20.75 | $21.08 | $20.71 | $20.98 | 64,070,500 |
December 13 2010 | $20.72 | $20.85 | $20.64 | $20.70 | 47,943,900 |
December 10 2010 | $20.66 | $20.81 | $20.59 | $20.77 | 37,625,800 |
December 09 2010 | $20.72 | $20.77 | $20.52 | $20.57 | 47,148,300 |
December 08 2010 | $20.38 | $20.69 | $20.36 | $20.69 | 41,666,800 |
December 07 2010 | $20.57 | $20.61 | $20.40 | $20.41 | 57,860,500 |
December 06 2010 | $20.46 | $20.50 | $20.33 | $20.39 | 36,264,200 |
December 03 2010 | $20.37 | $20.56 | $20.34 | $20.53 | 52,622,000 |
December 02 2010 | $19.93 | $20.50 | $19.90 | $20.43 | 91,759,200 |
December 01 2010 | $19.42 | $19.94 | $19.42 | $19.78 | 74,123,500 |
November 30 2010 | $19.03 | $19.35 | $18.99 | $19.19 | 75,282,100 |
November 29 2010 | $19.14 | $19.31 | $18.94 | $19.23 | 56,603,600 |
November 26 2010 | $19.15 | $19.30 | $19.12 | $19.18 | 21,356,500 |