| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $29.16 | $31.52 | $29.12 | $29.82 | 78,271,653 |
November 2010 | $28.99 | $29.92 | $28.31 | $28.78 | 57,006,603 |
October 2010 | $26.75 | $29.77 | $26.33 | $29.14 | 59,314,830 |
September 2010 | $24.67 | $26.98 | $24.57 | $26.62 | 58,766,129 |
August 2010 | $23.64 | $25.37 | $23.32 | $24.40 | 110,732,394 |
July 2010 | $22.25 | $24.42 | $21.58 | $23.61 | 89,669,381 |
June 2010 | $23.27 | $24.98 | $22.20 | $22.27 | 111,247,601 |
May 2010 | $22.90 | $24.51 | $20.62 | $23.41 | 124,535,674 |
April 2010 | $21.86 | $23.48 | $21.83 | $22.88 | 60,025,938 |
March 2010 | $20.94 | $22.80 | $20.85 | $21.82 | 82,917,200 |
February 2010 | $19.21 | $21.12 | $17.79 | $20.90 | 87,144,176 |
January 2010 | $20.60 | $21.08 | $19.04 | $19.21 | 65,835,675 |
December 2009 | $18.91 | $20.73 | $18.17 | $20.33 | 66,172,263 |
November 2009 | $19.25 | $20.23 | $17.85 | $18.82 | 92,789,282 |
October 2009 | $19.77 | $20.96 | $18.85 | $19.13 | 68,870,305 |
September 2009 | $17.67 | $20.09 | $17.20 | $19.87 | 80,088,960 |
August 2009 | $17.21 | $18.36 | $15.32 | $17.77 | 129,359,895 |
July 2009 | $15.52 | $17.48 | $14.75 | $17.14 | 91,665,723 |
June 2009 | $19.72 | $20.57 | $14.71 | $15.53 | 151,573,594 |
May 2009 | $17.44 | $20.87 | $17.15 | $19.63 | 83,409,690 |
April 2009 | $15.77 | $17.62 | $15.44 | $17.26 | 74,676,273 |
March 2009 | $15.67 | $18.16 | $15.49 | $15.83 | 111,037,562 |
February 2009 | $15.37 | $17.53 | $15.35 | $16.21 | 83,621,981 |
January 2009 | $16.09 | $17.60 | $14.17 | $16.20 | 85,758,102 |
December 2008 | $17.57 | $19.31 | $15.19 | $16.00 | 64,882,531 |