| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $29.82 | $32.43 | $28.65 | $31.40 | 126,906,800 |
November 2012 | $29.50 | $30.03 | $25.60 | $29.64 | 159,056,100 |
October 2012 | $29.66 | $29.92 | $27.09 | $29.51 | 115,261,800 |
September 2012 | $26.67 | $30.11 | $25.60 | $29.47 | 156,436,400 |
August 2012 | $23.32 | $27.73 | $22.94 | $26.79 | 202,050,100 |
July 2012 | $27.34 | $27.71 | $21.95 | $23.02 | 230,480,500 |
June 2012 | $28.09 | $30.55 | $25.95 | $27.49 | 206,628,200 |
May 2012 | $34.87 | $35.60 | $28.29 | $29.03 | 235,957,200 |
April 2012 | $36.01 | $39.03 | $34.36 | $34.88 | 231,358,900 |
March 2012 | $35.23 | $37.62 | $32.99 | $36.19 | 207,924,100 |
February 2012 | $30.89 | $35.05 | $30.72 | $34.80 | 204,563,500 |
January 2012 | $27.34 | $31.72 | $26.14 | $30.73 | 215,649,600 |
December 2011 | $28.98 | $29.60 | $25.05 | $26.74 | 187,396,600 |
November 2011 | $28.27 | $30.82 | $26.43 | $29.23 | 267,378,200 |
October 2011 | $23.19 | $30.94 | $22.65 | $29.38 | 388,720,900 |
September 2011 | $29.40 | $31.60 | $23.63 | $23.99 | 426,412,900 |
August 2011 | $30.29 | $30.51 | $22.58 | $29.14 | 497,978,800 |
July 2011 | $26.65 | $30.33 | $26.46 | $29.53 | 316,886,400 |
June 2011 | $26.06 | $27.05 | $23.30 | $26.42 | 316,903,300 |
May 2011 | $29.65 | $30.20 | $24.78 | $26.00 | 314,333,600 |
April 2011 | $27.41 | $29.46 | $26.55 | $29.42 | 314,436,300 |
March 2011 | $28.34 | $28.75 | $22.56 | $26.42 | 608,600,600 |
February 2011 | $29.63 | $31.70 | $27.32 | $29.19 | 451,780,400 |
January 2011 | $29.58 | $31.95 | $27.61 | $29.09 | 558,209,800 |
December 2010 | $32.39 | $32.59 | $26.10 | $28.76 | 707,413,700 |