| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $61.66 | $64.08 | $60.85 | $62.22 | 114,044,000 |
November 2012 | $60.82 | $61.61 | $58.24 | $61.40 | 133,363,500 |
October 2012 | $64.39 | $65.83 | $60.38 | $60.68 | 135,455,700 |
September 2012 | $62.58 | $65.71 | $62.02 | $64.14 | 98,697,200 |
August 2012 | $62.07 | $62.82 | $59.76 | $62.56 | 116,808,900 |
July 2012 | $61.32 | $64.73 | $60.78 | $61.98 | 125,472,600 |
June 2012 | $60.67 | $62.95 | $59.60 | $61.41 | 153,888,700 |
May 2012 | $66.92 | $67.45 | $61.60 | $61.97 | 132,371,000 |
April 2012 | $67.32 | $68.48 | $64.78 | $67.07 | 132,852,000 |
March 2012 | $68.33 | $69.13 | $65.47 | $67.52 | 136,419,600 |
February 2012 | $67.98 | $69.23 | $67.16 | $68.33 | 88,933,500 |
January 2012 | $69.25 | $69.86 | $66.77 | $67.70 | 120,351,800 |
December 2011 | $65.23 | $69.03 | $64.80 | $68.57 | 110,500,700 |
November 2011 | $62.62 | $65.30 | $61.88 | $65.28 | 109,863,900 |
October 2011 | $59.31 | $63.66 | $56.80 | $62.98 | 138,108,100 |
September 2011 | $61.23 | $61.79 | $56.74 | $59.57 | 165,750,900 |
August 2011 | $58.95 | $61.88 | $55.26 | $61.33 | 200,669,000 |
July 2011 | $56.71 | $60.35 | $56.70 | $58.27 | 117,018,200 |
June 2011 | $54.89 | $57.21 | $53.90 | $56.81 | 128,508,800 |
May 2011 | $52.43 | $55.56 | $52.30 | $54.94 | 120,036,800 |
April 2011 | $51.03 | $52.56 | $50.60 | $52.37 | 97,983,500 |
March 2011 | $50.63 | $51.66 | $48.75 | $50.89 | 143,318,900 |
February 2011 | $49.24 | $50.74 | $48.48 | $50.61 | 135,858,400 |
January 2011 | $51.15 | $51.47 | $47.86 | $48.87 | 233,975,300 |
December 2010 | $52.50 | $53.69 | $50.38 | $50.92 | 114,256,400 |