| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $20.51 | $20.70 | $20.46 | $20.56 | 3,826,550 |
December 30 2010 | $20.64 | $20.73 | $20.51 | $20.52 | 7,650,780 |
December 29 2010 | $20.59 | $20.75 | $20.52 | $20.68 | 6,483,000 |
December 28 2010 | $20.64 | $20.80 | $20.47 | $20.60 | 9,293,040 |
December 27 2010 | $20.03 | $20.66 | $19.96 | $20.61 | 14,669,520 |
December 23 2010 | $19.93 | $20.04 | $19.88 | $20.03 | 12,984,460 |
December 22 2010 | $20.15 | $20.32 | $19.76 | $19.94 | 24,423,760 |
December 21 2010 | $20.62 | $20.73 | $20.05 | $20.16 | 32,116,340 |
December 20 2010 | $20.30 | $20.63 | $20.28 | $20.51 | 27,406,720 |
December 17 2010 | $20.57 | $20.66 | $19.72 | $20.30 | 63,475,419 |
December 16 2010 | $22.94 | $23.30 | $20.03 | $20.50 | 90,638,309 |
December 15 2010 | $23.39 | $23.49 | $22.74 | $22.86 | 12,592,670 |
December 14 2010 | $23.81 | $23.85 | $23.27 | $23.31 | 7,178,880 |
December 13 2010 | $23.36 | $23.92 | $23.17 | $23.79 | 13,835,860 |
December 10 2010 | $23.08 | $23.37 | $22.97 | $23.37 | 8,104,010 |
December 09 2010 | $22.98 | $23.32 | $22.64 | $23.05 | 7,740,180 |
December 08 2010 | $22.63 | $23.00 | $22.58 | $22.99 | 8,361,870 |
December 07 2010 | $23.35 | $23.45 | $22.62 | $22.64 | 8,388,690 |
December 06 2010 | $22.68 | $23.27 | $22.68 | $23.23 | 7,608,420 |
December 03 2010 | $22.75 | $22.88 | $22.49 | $22.85 | 7,641,130 |
December 02 2010 | $22.76 | $22.86 | $22.50 | $22.86 | 10,801,520 |
December 01 2010 | $22.19 | $22.94 | $22.08 | $22.77 | 14,104,900 |
November 30 2010 | $21.45 | $21.89 | $21.38 | $21.75 | 15,647,730 |
November 29 2010 | $21.55 | $21.66 | $21.10 | $21.61 | 8,735,190 |
November 26 2010 | $21.74 | $21.74 | $21.38 | $21.57 | 7,352,320 |