| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $12.98 | $13.25 | $12.53 | $12.67 | 366,390,400 |
November 2010 | $13.96 | $14.24 | $12.67 | $12.76 | 385,350,600 |
October 2010 | $12.51 | $13.98 | $12.33 | $13.87 | 367,893,000 |
September 2010 | $11.22 | $12.85 | $11.21 | $12.45 | 368,562,800 |
August 2010 | $11.83 | $12.63 | $11.11 | $11.13 | 551,596,000 |
July 2010 | $11.97 | $12.41 | $11.10 | $11.65 | 650,708,400 |
June 2010 | $12.53 | $12.87 | $11.48 | $11.99 | 516,098,200 |
May 2010 | $13.87 | $14.12 | $12.16 | $12.56 | 693,528,800 |
April 2010 | $15.92 | $16.30 | $13.83 | $13.89 | 644,260,200 |
March 2010 | $16.78 | $17.01 | $15.73 | $15.90 | 408,841,000 |
February 2010 | $16.87 | $17.31 | $15.89 | $16.65 | 439,273,800 |
January 2010 | $15.17 | $16.96 | $14.93 | $16.88 | 428,538,400 |
December 2009 | $16.01 | $16.50 | $14.90 | $15.13 | 326,016,200 |
November 2009 | $15.02 | $16.62 | $14.83 | $16.12 | 262,205,000 |
October 2009 | $16.20 | $16.44 | $14.79 | $14.88 | 391,643,800 |
September 2009 | $15.69 | $16.72 | $15.62 | $16.26 | 275,902,200 |
August 2009 | $17.19 | $17.33 | $15.32 | $15.76 | 294,892,800 |
July 2009 | $16.38 | $17.48 | $15.43 | $17.11 | 335,904,400 |
June 2009 | $15.09 | $16.78 | $14.78 | $16.38 | 346,993,400 |
May 2009 | $16.07 | $16.07 | $14.44 | $15.07 | 324,262,000 |
April 2009 | $15.77 | $16.94 | $15.21 | $16.01 | 408,926,600 |
March 2009 | $15.40 | $16.40 | $14.20 | $16.20 | 477,606,000 |
February 2009 | $17.68 | $18.63 | $15.66 | $15.67 | 343,218,800 |
January 2009 | $17.80 | $18.31 | $16.40 | $17.75 | 328,545,800 |
December 2008 | $15.29 | $18.27 | $14.84 | $17.88 | 366,911,000 |
