| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 30 2011 | $23.19 | $23.20 | $22.82 | $22.82 | 8,586,800 |
December 29 2011 | $22.71 | $23.21 | $22.67 | $23.19 | 8,637,600 |
December 28 2011 | $22.86 | $22.93 | $22.62 | $22.64 | 9,969,600 |
December 27 2011 | $23.04 | $23.26 | $22.91 | $22.91 | 8,719,200 |
December 23 2011 | $22.69 | $23.04 | $22.60 | $23.04 | 7,803,200 |
December 22 2011 | $22.62 | $22.92 | $22.50 | $22.60 | 13,439,200 |
December 21 2011 | $22.73 | $22.76 | $22.37 | $22.64 | 15,244,000 |
December 20 2011 | $22.38 | $22.82 | $22.34 | $22.78 | 27,454,400 |
December 19 2011 | $21.92 | $22.34 | $21.92 | $22.16 | 23,541,200 |
December 16 2011 | $21.73 | $21.98 | $21.67 | $21.91 | 17,556,800 |
December 15 2011 | $21.88 | $21.88 | $21.48 | $21.54 | 21,020,000 |
December 14 2011 | $21.52 | $21.75 | $21.37 | $21.66 | 19,150,800 |
December 13 2011 | $21.91 | $21.93 | $21.48 | $21.56 | 13,564,000 |
December 12 2011 | $21.73 | $21.90 | $21.54 | $21.79 | 13,644,400 |
December 09 2011 | $21.72 | $21.91 | $21.47 | $21.85 | 11,974,000 |
December 08 2011 | $21.79 | $22.00 | $21.49 | $21.54 | 14,238,000 |
December 07 2011 | $21.42 | $21.91 | $21.37 | $21.82 | 16,055,200 |
December 06 2011 | $21.59 | $21.64 | $21.37 | $21.44 | 14,135,200 |
December 05 2011 | $22.09 | $22.10 | $21.40 | $21.60 | 16,731,600 |
December 02 2011 | $22.12 | $22.17 | $21.76 | $21.85 | 12,928,000 |
December 01 2011 | $21.56 | $22.09 | $21.53 | $21.98 | 19,042,400 |
November 30 2011 | $21.32 | $21.81 | $21.28 | $21.80 | 21,504,000 |
November 29 2011 | $21.01 | $21.02 | $20.80 | $20.88 | 14,513,600 |
November 28 2011 | $20.61 | $21.08 | $20.49 | $21.01 | 14,792,400 |
November 25 2011 | $20.02 | $20.32 | $19.96 | $20.01 | 6,933,600 |