| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $56.60 | $57.13 | $52.41 | $56.64 | 43,174,000 |
November 2012 | $53.90 | $57.40 | $50.23 | $56.54 | 40,377,600 |
October 2012 | $52.77 | $54.75 | $46.24 | $53.94 | 69,058,900 |
September 2012 | $46.84 | $54.98 | $46.55 | $52.75 | 48,765,900 |
August 2012 | $52.17 | $54.13 | $46.03 | $46.84 | 67,306,700 |
July 2012 | $43.86 | $53.12 | $39.52 | $51.84 | 84,641,400 |
June 2012 | $41.09 | $46.08 | $39.94 | $43.73 | 81,929,300 |
May 2012 | $37.09 | $42.29 | $36.27 | $41.74 | 98,172,800 |
April 2012 | $30.19 | $39.87 | $28.12 | $38.72 | 94,493,900 |
March 2012 | $30.75 | $32.29 | $28.53 | $30.36 | 85,303,100 |
February 2012 | $29.36 | $31.46 | $28.85 | $30.83 | 73,767,400 |
January 2012 | $26.93 | $29.37 | $25.37 | $29.31 | 77,258,200 |
December 2011 | $37.24 | $39.32 | $24.70 | $26.27 | 52,273,850 |
November 2011 | $34.06 | $38.48 | $33.82 | $37.03 | 40,588,150 |
October 2011 | $34.04 | $39.09 | $31.71 | $34.91 | 53,327,400 |
September 2011 | $40.41 | $41.14 | $34.22 | $34.24 | 56,476,600 |
August 2011 | $42.08 | $42.30 | $34.81 | $40.30 | 67,976,700 |
July 2011 | $38.46 | $43.68 | $37.98 | $42.08 | 48,746,600 |
June 2011 | $36.77 | $38.70 | $35.42 | $38.50 | 52,399,450 |
May 2011 | $33.96 | $37.38 | $32.18 | $37.20 | 56,824,900 |
April 2011 | $30.16 | $34.15 | $29.18 | $33.19 | 85,894,750 |
March 2011 | $26.51 | $30.29 | $25.97 | $30.06 | 90,376,600 |
February 2011 | $33.53 | $34.51 | $26.28 | $26.30 | 80,048,500 |
January 2011 | $33.31 | $36.96 | $31.47 | $33.32 | 58,616,100 |
December 2010 | $35.97 | $36.55 | $32.90 | $33.23 | 39,454,700 |