| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 2010 | $22.91 | $24.73 | $22.85 | $24.63 | 28,978,115 |
August 2010 | $23.56 | $23.82 | $22.32 | $22.69 | 43,348,338 |
July 2010 | $21.42 | $24.59 | $21.40 | $23.27 | 58,023,997 |
June 2010 | $22.18 | $23.39 | $21.40 | $21.45 | 73,205,590 |
May 2010 | $23.69 | $24.13 | $21.12 | $22.29 | 63,958,813 |
April 2010 | $23.42 | $24.43 | $23.29 | $23.54 | 48,893,052 |
March 2010 | $22.43 | $23.59 | $22.41 | $23.37 | 49,442,951 |
February 2010 | $21.65 | $22.53 | $21.04 | $22.20 | 42,955,122 |
January 2010 | $22.87 | $23.53 | $21.40 | $21.55 | 44,781,718 |
December 2009 | $22.11 | $22.98 | $21.84 | $22.73 | 40,207,886 |
November 2009 | $19.91 | $22.43 | $19.83 | $22.08 | 38,016,946 |
October 2009 | $19.70 | $21.15 | $18.85 | $19.91 | 55,854,930 |
September 2009 | $19.76 | $20.53 | $19.27 | $19.87 | 56,930,586 |
August 2009 | $18.66 | $20.89 | $18.16 | $19.75 | 51,198,137 |
July 2009 | $18.65 | $19.75 | $17.36 | $18.55 | 72,120,697 |
June 2009 | $18.43 | $19.14 | $17.90 | $18.58 | 73,869,766 |
May 2009 | $17.37 | $18.87 | $16.99 | $18.21 | 82,305,920 |
April 2009 | $16.54 | $18.28 | $16.36 | $17.42 | 81,447,655 |
March 2009 | $17.09 | $17.39 | $14.43 | $16.72 | 111,497,681 |
February 2009 | $19.93 | $20.11 | $16.83 | $17.43 | 96,398,980 |
January 2009 | $21.36 | $21.94 | $19.69 | $20.13 | 79,205,092 |
December 2008 | $18.72 | $21.49 | $17.74 | $21.39 | 79,763,330 |
November 2008 | $19.96 | $20.98 | $17.82 | $18.85 | 97,976,912 |
October 2008 | $20.10 | $21.38 | $15.68 | $19.97 | 129,639,899 |
September 2008 | $22.65 | $23.22 | $19.86 | $20.14 | 74,260,293 |
