| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $20.54 | $20.74 | $20.50 | $20.59 | 3,826,550 |
December 30 2010 | $20.68 | $20.77 | $20.54 | $20.56 | 7,650,780 |
December 29 2010 | $20.62 | $20.78 | $20.56 | $20.72 | 6,483,000 |
December 28 2010 | $20.68 | $20.84 | $20.50 | $20.63 | 9,293,040 |
December 27 2010 | $20.06 | $20.69 | $19.99 | $20.64 | 14,669,520 |
December 23 2010 | $19.97 | $20.08 | $19.92 | $20.06 | 12,984,460 |
December 22 2010 | $20.18 | $20.35 | $19.80 | $19.98 | 24,423,760 |
December 21 2010 | $20.66 | $20.77 | $20.08 | $20.20 | 32,116,340 |
December 20 2010 | $20.34 | $20.67 | $20.31 | $20.54 | 27,406,720 |
December 17 2010 | $20.60 | $20.70 | $19.76 | $20.33 | 63,475,419 |
December 16 2010 | $22.97 | $23.34 | $20.06 | $20.54 | 90,638,309 |
December 15 2010 | $23.43 | $23.53 | $22.78 | $22.90 | 12,592,670 |
December 14 2010 | $23.85 | $23.89 | $23.31 | $23.35 | 7,178,880 |
December 13 2010 | $23.39 | $23.96 | $23.21 | $23.83 | 13,835,860 |
December 10 2010 | $23.11 | $23.41 | $23.00 | $23.41 | 8,104,010 |
December 09 2010 | $23.02 | $23.35 | $22.68 | $23.09 | 7,740,180 |
December 08 2010 | $22.67 | $23.04 | $22.62 | $23.03 | 8,361,870 |
December 07 2010 | $23.39 | $23.49 | $22.65 | $22.68 | 8,388,690 |
December 06 2010 | $22.72 | $23.30 | $22.72 | $23.26 | 7,608,420 |
December 03 2010 | $22.79 | $22.92 | $22.53 | $22.89 | 7,641,130 |
December 02 2010 | $22.80 | $22.90 | $22.54 | $22.90 | 10,801,520 |
December 01 2010 | $22.23 | $22.97 | $22.12 | $22.81 | 14,104,900 |
November 30 2010 | $21.49 | $21.92 | $21.41 | $21.78 | 15,647,730 |
November 29 2010 | $21.59 | $21.69 | $21.14 | $21.65 | 8,735,190 |
November 26 2010 | $21.77 | $21.77 | $21.41 | $21.61 | 7,352,320 |