| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 2010 | $22.74 | $24.54 | $22.68 | $24.45 | 28,978,115 |
August 2010 | $23.38 | $23.64 | $22.15 | $22.51 | 43,348,338 |
July 2010 | $21.26 | $24.40 | $21.24 | $23.10 | 58,023,997 |
June 2010 | $22.01 | $23.21 | $21.24 | $21.29 | 73,205,590 |
May 2010 | $23.51 | $23.94 | $20.96 | $22.12 | 63,958,813 |
April 2010 | $23.24 | $24.25 | $23.12 | $23.36 | 48,893,052 |
March 2010 | $22.26 | $23.41 | $22.24 | $23.20 | 49,442,951 |
February 2010 | $21.49 | $22.36 | $20.88 | $22.03 | 42,955,122 |
January 2010 | $22.69 | $23.36 | $21.24 | $21.39 | 44,781,718 |
December 2009 | $21.95 | $22.81 | $21.67 | $22.56 | 40,207,886 |
November 2009 | $19.76 | $22.26 | $19.68 | $21.91 | 38,016,946 |
October 2009 | $19.55 | $20.99 | $18.71 | $19.76 | 55,854,930 |
September 2009 | $19.61 | $20.37 | $19.12 | $19.72 | 56,930,586 |
August 2009 | $18.51 | $20.74 | $18.02 | $19.60 | 51,198,137 |
July 2009 | $18.51 | $19.60 | $17.23 | $18.41 | 72,120,697 |
June 2009 | $18.29 | $18.99 | $17.77 | $18.44 | 73,869,766 |
May 2009 | $17.24 | $18.73 | $16.86 | $18.07 | 82,305,920 |
April 2009 | $16.41 | $18.14 | $16.24 | $17.29 | 81,447,655 |
March 2009 | $16.96 | $17.26 | $14.32 | $16.59 | 111,497,681 |
February 2009 | $19.78 | $19.96 | $16.70 | $17.29 | 96,398,980 |
January 2009 | $21.20 | $21.77 | $19.54 | $19.98 | 79,205,092 |
December 2008 | $18.58 | $21.33 | $17.60 | $21.23 | 79,763,330 |
November 2008 | $19.80 | $20.82 | $17.68 | $18.70 | 97,976,912 |
October 2008 | $19.94 | $21.22 | $15.56 | $19.82 | 129,639,899 |
September 2008 | $22.48 | $23.05 | $19.71 | $19.99 | 74,260,293 |