| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $29.43 | $30.19 | $27.78 | $28.71 | 159,579,700 |
November 2010 | $28.74 | $29.71 | $27.34 | $28.94 | 180,833,400 |
October 2010 | $27.79 | $30.07 | $26.89 | $28.57 | 171,901,700 |
September 2010 | $25.27 | $28.48 | $25.14 | $27.82 | 160,229,900 |
August 2010 | $24.39 | $26.68 | $24.33 | $25.04 | 175,165,600 |
July 2010 | $22.35 | $25.04 | $21.42 | $24.04 | 184,052,600 |
June 2010 | $22.94 | $25.11 | $22.35 | $22.42 | 235,428,300 |
May 2010 | $23.98 | $24.17 | $21.99 | $22.85 | 200,376,300 |
April 2010 | $25.79 | $26.73 | $23.29 | $23.83 | 290,275,300 |
March 2010 | $26.71 | $27.62 | $25.08 | $25.66 | 262,189,500 |
February 2010 | $25.94 | $26.94 | $24.66 | $26.60 | 218,638,400 |
January 2010 | $24.65 | $28.33 | $24.33 | $25.92 | 278,076,300 |
December 2009 | $22.78 | $26.12 | $21.44 | $23.94 | 333,531,300 |
November 2009 | $20.44 | $23.36 | $20.14 | $22.52 | 189,972,900 |
October 2009 | $19.55 | $21.05 | $18.46 | $20.38 | 308,267,500 |
September 2009 | $21.95 | $23.47 | $19.26 | $19.67 | 264,571,800 |
August 2009 | $22.26 | $23.56 | $19.97 | $21.99 | 193,463,900 |
July 2009 | $19.71 | $23.34 | $18.61 | $22.04 | 234,371,800 |
June 2009 | $21.13 | $22.33 | $18.25 | $19.62 | 278,463,500 |
May 2009 | $18.51 | $23.32 | $17.86 | $20.89 | 205,106,600 |
April 2009 | $16.19 | $20.50 | $15.59 | $18.47 | 289,077,700 |
March 2009 | $15.05 | $17.95 | $12.69 | $16.44 | 343,674,000 |
February 2009 | $21.96 | $23.73 | $15.23 | $15.41 | 289,614,500 |
January 2009 | $20.94 | $23.73 | $18.64 | $22.22 | 197,849,000 |
December 2008 | $17.00 | $21.42 | $14.94 | $20.86 | 182,675,600 |
