| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 30 2011 | $23.24 | $23.24 | $22.86 | $22.87 | 8,586,800 |
December 29 2011 | $22.75 | $23.25 | $22.71 | $23.23 | 8,637,600 |
December 28 2011 | $22.90 | $22.97 | $22.66 | $22.68 | 9,969,600 |
December 27 2011 | $23.08 | $23.30 | $22.95 | $22.95 | 8,719,200 |
December 23 2011 | $22.73 | $23.09 | $22.64 | $23.08 | 7,803,200 |
December 22 2011 | $22.66 | $22.97 | $22.55 | $22.64 | 13,439,200 |
December 21 2011 | $22.77 | $22.81 | $22.41 | $22.68 | 15,244,000 |
December 20 2011 | $22.42 | $22.86 | $22.38 | $22.83 | 27,454,400 |
December 19 2011 | $21.96 | $22.38 | $21.96 | $22.20 | 23,541,200 |
December 16 2011 | $21.77 | $22.02 | $21.71 | $21.95 | 17,556,800 |
December 15 2011 | $21.92 | $21.92 | $21.52 | $21.58 | 21,020,000 |
December 14 2011 | $21.56 | $21.79 | $21.41 | $21.70 | 19,150,800 |
December 13 2011 | $21.95 | $21.97 | $21.52 | $21.60 | 13,564,000 |
December 12 2011 | $21.77 | $21.94 | $21.58 | $21.83 | 13,644,400 |
December 09 2011 | $21.76 | $21.95 | $21.51 | $21.89 | 11,974,000 |
December 08 2011 | $21.83 | $22.04 | $21.53 | $21.58 | 14,238,000 |
December 07 2011 | $21.46 | $21.95 | $21.41 | $21.86 | 16,055,200 |
December 06 2011 | $21.63 | $21.68 | $21.41 | $21.48 | 14,135,200 |
December 05 2011 | $22.14 | $22.14 | $21.44 | $21.64 | 16,731,600 |
December 02 2011 | $22.16 | $22.21 | $21.80 | $21.89 | 12,928,000 |
December 01 2011 | $21.60 | $22.13 | $21.57 | $22.02 | 19,042,400 |
November 30 2011 | $21.36 | $21.85 | $21.32 | $21.84 | 21,504,000 |
November 29 2011 | $21.05 | $21.06 | $20.84 | $20.92 | 14,513,600 |
November 28 2011 | $20.65 | $21.11 | $20.52 | $21.05 | 14,792,400 |
November 25 2011 | $20.05 | $20.36 | $20.00 | $20.05 | 6,933,600 |