| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $40.15 | $41.22 | $39.83 | $40.48 | 119,167,100 |
November 2010 | $40.28 | $40.66 | $39.02 | $39.75 | 131,219,500 |
October 2010 | $41.06 | $41.89 | $39.23 | $40.17 | 156,983,100 |
September 2010 | $39.69 | $41.40 | $39.69 | $40.87 | 114,594,000 |
August 2010 | $39.97 | $40.80 | $38.57 | $39.18 | 113,423,100 |
July 2010 | $37.32 | $40.16 | $36.82 | $39.63 | 141,030,200 |
June 2010 | $37.96 | $39.55 | $36.93 | $37.21 | 172,677,100 |
May 2010 | $39.55 | $40.96 | $36.98 | $38.10 | 193,736,600 |
April 2010 | $40.18 | $40.40 | $38.53 | $39.51 | 148,257,700 |
March 2010 | $37.69 | $40.59 | $37.58 | $40.08 | 172,788,600 |
February 2010 | $36.05 | $37.85 | $35.34 | $37.58 | 148,204,600 |
January 2010 | $36.81 | $37.85 | $35.56 | $35.86 | 142,469,300 |
December 2009 | $37.44 | $38.79 | $35.35 | $36.57 | 162,542,300 |
November 2009 | $36.31 | $37.79 | $35.61 | $37.16 | 109,470,500 |
October 2009 | $35.06 | $37.48 | $34.81 | $36.17 | 176,616,900 |
September 2009 | $33.54 | $35.84 | $33.14 | $35.04 | 165,865,300 |
August 2009 | $33.76 | $35.34 | $33.10 | $33.58 | 167,443,500 |
July 2009 | $32.66 | $34.19 | $32.17 | $33.63 | 165,687,700 |
June 2009 | $30.72 | $32.89 | $30.71 | $32.57 | 179,646,500 |
May 2009 | $29.24 | $30.86 | $28.69 | $30.59 | 185,319,100 |
April 2009 | $29.98 | $33.47 | $27.92 | $29.24 | 201,127,300 |
March 2009 | $27.56 | $31.27 | $26.68 | $30.26 | 197,319,200 |
February 2009 | $28.99 | $31.25 | $28.04 | $28.04 | 156,466,600 |
January 2009 | $32.00 | $33.17 | $25.50 | $29.26 | 154,769,000 |
December 2008 | $32.11 | $32.60 | $29.72 | $31.91 | 155,720,500 |