| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $46.18 | $49.31 | $45.29 | $48.81 | 380,150,300 |
November 2011 | $43.40 | $46.37 | $42.55 | $46.32 | 444,321,100 |
October 2011 | $41.24 | $47.05 | $39.62 | $44.70 | 514,198,800 |
September 2011 | $42.44 | $42.92 | $38.88 | $41.57 | 550,523,400 |
August 2011 | $45.96 | $46.16 | $38.12 | $42.37 | 774,165,900 |
July 2011 | $46.17 | $48.57 | $45.36 | $45.37 | 375,467,600 |
June 2011 | $47.51 | $47.57 | $43.63 | $46.28 | 444,344,200 |
May 2011 | $49.82 | $49.83 | $45.16 | $47.47 | 403,834,500 |
April 2011 | $47.91 | $49.76 | $46.58 | $49.75 | 309,722,400 |
March 2011 | $48.86 | $48.91 | $44.56 | $47.57 | 439,334,000 |
February 2011 | $45.64 | $49.89 | $45.58 | $48.36 | 443,594,000 |
January 2011 | $41.47 | $45.46 | $41.42 | $45.38 | 449,380,100 |
December 2010 | $39.59 | $41.45 | $39.59 | $41.13 | 409,237,200 |
November 2010 | $37.29 | $40.44 | $37.24 | $39.13 | 486,318,500 |
October 2010 | $34.84 | $37.34 | $34.54 | $37.17 | 430,427,600 |
September 2010 | $33.56 | $34.90 | $33.38 | $34.54 | 423,362,300 |
August 2010 | $33.66 | $34.96 | $32.45 | $33.04 | 475,629,700 |
July 2010 | $31.62 | $34.34 | $31.05 | $33.12 | 613,489,500 |
June 2010 | $33.51 | $35.80 | $31.59 | $31.67 | 808,522,600 |
May 2010 | $37.55 | $37.61 | $32.23 | $33.56 | 768,609,600 |
April 2010 | $37.08 | $38.59 | $36.85 | $37.36 | 531,285,400 |
March 2010 | $36.03 | $37.42 | $35.88 | $36.92 | 582,728,200 |
February 2010 | $36.02 | $36.82 | $34.81 | $35.83 | 534,843,200 |
January 2010 | $37.64 | $38.67 | $35.06 | $35.29 | 596,474,300 |
December 2009 | $41.62 | $41.79 | $37.05 | $37.35 | 648,945,000 |
