| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 30 2011 | $20.11 | $20.22 | $20.04 | $20.04 | 2,346,700 |
December 29 2011 | $19.99 | $20.18 | $19.95 | $20.16 | 2,324,600 |
December 28 2011 | $20.05 | $20.09 | $19.84 | $19.87 | 2,357,900 |
December 27 2011 | $20.07 | $20.26 | $20.07 | $20.11 | 2,281,700 |
December 23 2011 | $20.06 | $20.20 | $19.97 | $20.19 | 2,139,300 |
December 22 2011 | $19.88 | $20.08 | $19.81 | $20.04 | 3,663,200 |
December 21 2011 | $19.78 | $19.92 | $19.66 | $19.85 | 4,169,400 |
December 20 2011 | $19.40 | $19.81 | $19.37 | $19.72 | 4,492,700 |
December 19 2011 | $19.36 | $19.44 | $19.02 | $19.08 | 3,692,800 |
December 16 2011 | $19.40 | $19.59 | $19.22 | $19.33 | 5,837,700 |
December 15 2011 | $19.37 | $19.46 | $19.11 | $19.26 | 4,565,000 |
December 14 2011 | $18.95 | $19.50 | $18.94 | $19.19 | 5,657,500 |
December 13 2011 | $19.30 | $19.56 | $18.91 | $19.01 | 6,208,700 |
December 12 2011 | $19.51 | $19.51 | $19.10 | $19.25 | 7,022,400 |
December 09 2011 | $19.51 | $19.77 | $19.42 | $19.69 | 4,848,000 |
December 08 2011 | $19.71 | $19.78 | $19.39 | $19.43 | 4,367,300 |
December 07 2011 | $19.57 | $20.03 | $19.49 | $19.94 | 4,980,900 |
December 06 2011 | $19.71 | $19.98 | $19.65 | $19.83 | 3,121,000 |
December 05 2011 | $19.79 | $20.03 | $19.59 | $19.75 | 4,478,200 |
December 02 2011 | $19.74 | $19.92 | $19.46 | $19.51 | 5,570,600 |
December 01 2011 | $19.52 | $19.52 | $19.23 | $19.42 | 3,385,900 |
November 30 2011 | $18.99 | $19.61 | $18.97 | $19.59 | 6,572,600 |
November 29 2011 | $18.51 | $18.83 | $18.44 | $18.67 | 5,344,200 |
November 28 2011 | $18.34 | $18.50 | $18.29 | $18.50 | 4,200,700 |
November 25 2011 | $17.82 | $18.22 | $17.78 | $17.91 | 2,617,900 |