| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $29.01 | $29.76 | $27.38 | $28.30 | 159,582,918 |
November 2010 | $28.33 | $29.29 | $26.95 | $28.52 | 180,850,939 |
October 2010 | $27.39 | $29.64 | $26.51 | $28.16 | 171,909,688 |
September 2010 | $24.91 | $28.07 | $24.78 | $27.42 | 160,233,481 |
August 2010 | $24.04 | $26.29 | $23.98 | $24.68 | 175,177,049 |
July 2010 | $22.03 | $24.68 | $21.11 | $23.70 | 184,054,337 |
June 2010 | $22.61 | $24.75 | $22.03 | $22.10 | 235,430,469 |
May 2010 | $23.63 | $23.82 | $21.67 | $22.53 | 200,394,852 |
April 2010 | $25.42 | $26.35 | $22.95 | $23.49 | 290,293,825 |
March 2010 | $26.32 | $27.22 | $24.72 | $25.29 | 262,201,562 |
February 2010 | $25.57 | $26.56 | $24.30 | $26.21 | 218,639,748 |
January 2010 | $24.29 | $27.93 | $23.98 | $25.55 | 278,095,248 |
December 2009 | $22.45 | $25.74 | $21.14 | $23.60 | 333,548,284 |
November 2009 | $20.14 | $23.02 | $19.85 | $22.20 | 189,993,678 |
October 2009 | $19.27 | $20.75 | $18.19 | $20.09 | 308,294,407 |
September 2009 | $21.63 | $23.13 | $18.98 | $19.39 | 264,591,308 |
August 2009 | $21.94 | $23.23 | $19.68 | $21.68 | 193,474,967 |
July 2009 | $19.42 | $23.00 | $18.34 | $21.72 | 234,384,953 |
June 2009 | $20.83 | $22.01 | $17.98 | $19.34 | 278,478,255 |
May 2009 | $18.24 | $22.99 | $17.61 | $20.59 | 205,110,118 |
April 2009 | $15.96 | $20.21 | $15.37 | $18.21 | 289,085,620 |
March 2009 | $14.84 | $17.70 | $12.51 | $16.20 | 343,678,802 |
February 2009 | $21.65 | $23.39 | $15.01 | $15.19 | 289,623,034 |
January 2009 | $20.64 | $23.39 | $18.38 | $21.90 | 197,890,373 |
December 2008 | $16.75 | $21.11 | $14.73 | $20.56 | 182,801,851 |