| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 30 2011 | $20.77 | $20.92 | $20.44 | $20.51 | 1,411,700 |
December 29 2011 | $20.52 | $20.96 | $20.33 | $20.85 | 1,142,200 |
December 28 2011 | $21.20 | $21.26 | $20.43 | $20.51 | 1,273,500 |
December 27 2011 | $21.35 | $21.75 | $21.26 | $21.32 | 1,316,400 |
December 23 2011 | $20.85 | $21.37 | $20.78 | $21.26 | 1,272,700 |
December 22 2011 | $20.38 | $20.88 | $20.29 | $20.78 | 1,919,200 |
December 21 2011 | $20.54 | $20.56 | $20.03 | $20.19 | 3,571,100 |
December 20 2011 | $20.62 | $20.78 | $19.57 | $20.40 | 6,375,200 |
December 19 2011 | $21.76 | $21.85 | $20.23 | $20.31 | 3,149,300 |
December 16 2011 | $21.25 | $21.64 | $21.14 | $21.41 | 1,433,100 |
December 15 2011 | $21.08 | $21.14 | $20.69 | $21.02 | 1,879,000 |
December 14 2011 | $21.47 | $21.47 | $20.51 | $20.56 | 2,603,700 |
December 13 2011 | $22.16 | $22.42 | $21.48 | $21.58 | 1,945,300 |
December 12 2011 | $22.01 | $22.16 | $21.70 | $22.03 | 1,417,800 |
December 09 2011 | $21.98 | $22.55 | $21.88 | $22.30 | 1,867,400 |
December 08 2011 | $22.33 | $22.41 | $21.43 | $21.63 | 3,133,300 |
December 07 2011 | $22.61 | $22.74 | $22.29 | $22.63 | 2,480,700 |
December 06 2011 | $23.34 | $23.35 | $22.69 | $22.83 | 2,483,500 |
December 05 2011 | $23.35 | $23.77 | $23.03 | $23.26 | 2,910,000 |
December 02 2011 | $22.92 | $23.12 | $22.59 | $22.64 | 2,165,000 |
December 01 2011 | $22.67 | $23.02 | $22.36 | $22.44 | 2,500,600 |
November 30 2011 | $21.89 | $22.89 | $21.88 | $22.85 | 4,104,400 |
November 29 2011 | $20.52 | $20.82 | $20.34 | $20.66 | 1,908,400 |
November 28 2011 | $20.28 | $20.85 | $20.20 | $20.53 | 2,988,200 |
November 25 2011 | $19.02 | $19.57 | $18.93 | $19.12 | 2,315,500 |