| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 30 2011 | $20.55 | $20.63 | $20.36 | $20.43 | 1,213,000 |
December 29 2011 | $20.30 | $20.65 | $20.21 | $20.56 | 1,353,500 |
December 28 2011 | $20.42 | $20.47 | $20.13 | $20.24 | 1,372,000 |
December 27 2011 | $20.31 | $20.54 | $20.17 | $20.43 | 1,026,500 |
December 23 2011 | $20.24 | $20.37 | $19.97 | $20.36 | 1,008,500 |
December 22 2011 | $20.13 | $20.32 | $20.06 | $20.26 | 1,649,500 |
December 21 2011 | $20.32 | $20.33 | $19.86 | $20.09 | 1,281,000 |
December 20 2011 | $20.01 | $20.38 | $20.00 | $20.32 | 1,798,000 |
December 19 2011 | $20.05 | $20.05 | $19.63 | $19.69 | 2,829,000 |
December 16 2011 | $20.04 | $20.15 | $19.80 | $19.94 | 3,689,000 |
December 15 2011 | $20.07 | $20.08 | $19.67 | $19.85 | 3,952,500 |
December 14 2011 | $19.84 | $20.03 | $19.68 | $19.87 | 2,962,500 |
December 13 2011 | $20.32 | $20.44 | $19.64 | $19.89 | 3,809,500 |
December 12 2011 | $20.58 | $20.66 | $20.08 | $20.26 | 2,112,000 |
December 09 2011 | $20.56 | $20.92 | $20.45 | $20.83 | 2,088,000 |
December 08 2011 | $20.70 | $21.02 | $20.38 | $20.44 | 2,716,000 |
December 07 2011 | $20.70 | $20.97 | $20.29 | $20.84 | 4,087,000 |
December 06 2011 | $20.68 | $21.02 | $20.67 | $20.89 | 2,930,000 |
December 05 2011 | $21.21 | $21.32 | $20.58 | $20.71 | 3,665,500 |
December 02 2011 | $21.33 | $21.61 | $20.87 | $20.92 | 2,677,000 |
December 01 2011 | $20.58 | $21.29 | $20.28 | $21.13 | 4,604,500 |
November 30 2011 | $20.49 | $20.66 | $20.22 | $20.63 | 4,121,500 |
November 29 2011 | $19.89 | $20.37 | $19.73 | $19.89 | 4,024,000 |
November 28 2011 | $19.85 | $20.02 | $19.65 | $19.92 | 3,065,500 |
November 25 2011 | $19.15 | $19.42 | $19.15 | $19.28 | 860,500 |