| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $39.10 | $42.56 | $37.75 | $41.42 | 122,377,200 |
November 2012 | $35.29 | $39.54 | $34.26 | $38.85 | 170,144,800 |
October 2012 | $37.74 | $39.38 | $35.12 | $35.97 | 139,180,400 |
September 2012 | $35.66 | $39.89 | $35.21 | $37.62 | 145,049,600 |
August 2012 | $31.38 | $37.44 | $29.61 | $35.77 | 250,475,600 |
July 2012 | $33.73 | $35.44 | $30.28 | $30.64 | 200,517,600 |
June 2012 | $33.07 | $35.10 | $30.86 | $34.06 | 197,744,800 |
May 2012 | $38.47 | $40.28 | $32.55 | $34.15 | 302,806,400 |
April 2012 | $37.67 | $40.59 | $36.34 | $38.37 | 160,855,600 |
March 2012 | $35.47 | $38.82 | $34.08 | $38.07 | 168,503,200 |
February 2012 | $28.91 | $36.04 | $28.49 | $35.27 | 261,814,400 |
January 2012 | $25.67 | $29.56 | $23.45 | $28.78 | 226,518,800 |
December 2011 | $28.59 | $31.65 | $23.18 | $25.00 | 279,600,000 |
November 2011 | $31.88 | $33.85 | $25.47 | $29.18 | 297,622,800 |
October 2011 | $27.84 | $34.43 | $26.92 | $32.81 | 219,881,200 |
September 2011 | $31.71 | $33.75 | $27.86 | $28.16 | 255,257,600 |
August 2011 | $36.61 | $36.70 | $26.91 | $31.72 | 342,050,800 |
July 2011 | $36.79 | $39.45 | $34.89 | $35.65 | 152,053,200 |
June 2011 | $37.15 | $37.46 | $33.19 | $36.71 | 185,873,600 |
May 2011 | $34.40 | $37.94 | $31.35 | $37.51 | 235,984,000 |
April 2011 | $33.25 | $35.10 | $31.59 | $34.15 | 184,078,000 |
March 2011 | $32.69 | $33.21 | $28.99 | $32.91 | 295,130,400 |
February 2011 | $32.03 | $36.46 | $31.54 | $32.59 | 216,401,600 |
January 2011 | $32.80 | $36.12 | $30.07 | $31.82 | 217,006,400 |
December 2010 | $35.00 | $37.27 | $31.95 | $32.52 | 234,303,600 |