| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
March 2012 | $24.19 | $25.63 | $23.47 | $24.00 | 813,941,300 |
February 2012 | $23.44 | $24.31 | $22.98 | $24.07 | 565,502,700 |
January 2012 | $21.62 | $23.82 | $20.98 | $23.21 | 721,581,300 |
December 2011 | $25.78 | $26.47 | $20.45 | $21.06 | 744,294,800 |
November 2011 | $26.24 | $27.72 | $23.49 | $25.74 | 539,825,600 |
October 2011 | $23.43 | $27.76 | $22.13 | $26.91 | 667,246,000 |
September 2011 | $22.97 | $25.37 | $21.07 | $23.55 | 880,744,000 |
August 2011 | $25.38 | $25.58 | $20.26 | $23.00 | 1,107,143,700 |
July 2011 | $26.90 | $27.92 | $24.80 | $25.06 | 560,121,200 |
June 2011 | $28.00 | $28.06 | $25.07 | $26.92 | 700,288,400 |
May 2011 | $29.32 | $29.86 | $26.93 | $27.99 | 510,709,400 |
April 2011 | $27.52 | $29.49 | $27.06 | $29.42 | 532,918,200 |
March 2011 | $26.96 | $27.84 | $24.19 | $27.30 | 668,810,300 |
February 2011 | $26.27 | $27.53 | $25.84 | $26.86 | 400,603,500 |
January 2011 | $25.75 | $27.19 | $25.11 | $26.15 | 582,169,300 |
December 2010 | $22.45 | $26.31 | $22.35 | $25.52 | 596,463,200 |
November 2010 | $24.07 | $24.31 | $21.86 | $22.05 | 606,355,000 |
October 2010 | $22.12 | $24.22 | $21.92 | $23.95 | 758,714,400 |
September 2010 | $18.02 | $22.48 | $17.98 | $21.85 | 1,059,329,600 |
August 2010 | $19.42 | $20.01 | $17.63 | $17.77 | 528,516,600 |
July 2010 | $17.43 | $20.08 | $17.25 | $19.24 | 642,202,900 |
June 2010 | $18.20 | $19.21 | $17.30 | $17.43 | 625,470,800 |
May 2010 | $21.15 | $21.23 | $17.50 | $18.33 | 736,923,800 |
April 2010 | $20.89 | $21.62 | $20.41 | $21.01 | 555,535,000 |
March 2010 | $19.94 | $21.27 | $19.68 | $20.84 | 656,979,400 |
