| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $29.23 | $29.99 | $27.59 | $28.52 | 159,582,918 |
November 2010 | $28.55 | $29.52 | $27.16 | $28.75 | 180,850,939 |
October 2010 | $27.60 | $29.87 | $26.71 | $28.38 | 171,909,688 |
September 2010 | $25.10 | $28.29 | $24.97 | $27.64 | 160,233,481 |
August 2010 | $24.22 | $26.50 | $24.17 | $24.88 | 175,177,049 |
July 2010 | $22.20 | $24.88 | $21.28 | $23.88 | 184,054,337 |
June 2010 | $22.79 | $24.94 | $22.20 | $22.27 | 235,430,469 |
May 2010 | $23.82 | $24.01 | $21.84 | $22.70 | 200,394,852 |
April 2010 | $25.61 | $26.55 | $23.13 | $23.67 | 290,293,825 |
March 2010 | $26.53 | $27.43 | $24.91 | $25.49 | 262,201,562 |
February 2010 | $25.77 | $26.76 | $24.49 | $26.42 | 218,639,748 |
January 2010 | $24.48 | $28.14 | $24.16 | $25.75 | 278,095,248 |
December 2009 | $22.63 | $25.94 | $21.30 | $23.78 | 333,548,284 |
November 2009 | $20.30 | $23.20 | $20.00 | $22.37 | 189,993,678 |
October 2009 | $19.42 | $20.91 | $18.34 | $20.25 | 308,294,407 |
September 2009 | $21.80 | $23.31 | $19.13 | $19.54 | 264,591,308 |
August 2009 | $22.11 | $23.41 | $19.83 | $21.85 | 193,474,967 |
July 2009 | $19.58 | $23.18 | $18.48 | $21.89 | 234,384,953 |
June 2009 | $20.99 | $22.18 | $18.12 | $19.49 | 278,478,255 |
May 2009 | $18.38 | $23.16 | $17.74 | $20.75 | 205,110,118 |
April 2009 | $16.08 | $20.36 | $15.49 | $18.35 | 289,085,620 |
March 2009 | $14.95 | $17.83 | $12.61 | $16.33 | 343,678,802 |
February 2009 | $21.81 | $23.57 | $15.13 | $15.31 | 289,623,034 |
January 2009 | $20.80 | $23.57 | $18.52 | $22.07 | 197,890,373 |
December 2008 | $16.88 | $21.28 | $14.84 | $20.72 | 182,801,851 |