| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $56.72 | $57.25 | $52.52 | $56.76 | 43,174,000 |
November 2012 | $54.02 | $57.52 | $50.34 | $56.66 | 40,377,600 |
October 2012 | $52.89 | $54.87 | $46.34 | $54.06 | 69,058,900 |
September 2012 | $46.94 | $55.10 | $46.65 | $52.86 | 48,765,900 |
August 2012 | $52.28 | $54.24 | $46.12 | $46.94 | 67,306,700 |
July 2012 | $43.96 | $53.24 | $39.60 | $51.95 | 84,641,400 |
June 2012 | $41.18 | $46.18 | $40.03 | $43.82 | 81,929,300 |
May 2012 | $37.16 | $42.38 | $36.35 | $41.83 | 98,172,800 |
April 2012 | $30.25 | $39.96 | $28.18 | $38.80 | 94,493,900 |
March 2012 | $30.81 | $32.36 | $28.59 | $30.42 | 85,303,100 |
February 2012 | $29.42 | $31.53 | $28.91 | $30.89 | 73,767,400 |
January 2012 | $26.99 | $29.43 | $25.42 | $29.37 | 77,258,200 |
December 2011 | $37.32 | $39.40 | $24.75 | $26.33 | 52,273,850 |
November 2011 | $34.14 | $38.56 | $33.90 | $37.11 | 40,588,150 |
October 2011 | $34.11 | $39.17 | $31.78 | $34.99 | 53,327,400 |
September 2011 | $40.49 | $41.22 | $34.30 | $34.31 | 56,476,600 |
August 2011 | $42.17 | $42.39 | $34.88 | $40.38 | 67,976,700 |
July 2011 | $38.54 | $43.77 | $38.06 | $42.17 | 48,746,600 |
June 2011 | $36.85 | $38.78 | $35.49 | $38.58 | 52,399,450 |
May 2011 | $34.03 | $37.46 | $32.25 | $37.28 | 56,824,900 |
April 2011 | $30.23 | $34.23 | $29.24 | $33.26 | 85,894,750 |
March 2011 | $26.57 | $30.36 | $26.03 | $30.12 | 90,376,600 |
February 2011 | $33.60 | $34.59 | $26.33 | $26.36 | 80,048,500 |
January 2011 | $33.38 | $37.04 | $31.53 | $33.39 | 58,616,100 |
December 2010 | $36.05 | $36.63 | $32.97 | $33.30 | 39,454,700 |