| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $55.28 | $57.00 | $53.42 | $56.49 | 39,911,336 |
November 2012 | $53.44 | $57.10 | $51.41 | $54.89 | 41,642,206 |
October 2012 | $51.87 | $54.84 | $46.95 | $52.98 | 91,056,626 |
September 2012 | $54.72 | $56.05 | $49.94 | $51.72 | 33,091,301 |
August 2012 | $55.79 | $56.96 | $53.46 | $54.70 | 28,208,929 |
July 2012 | $50.05 | $57.04 | $46.58 | $55.40 | 42,682,624 |
June 2012 | $42.91 | $50.51 | $42.15 | $49.55 | 35,419,698 |
May 2012 | $49.19 | $49.73 | $43.21 | $44.14 | 29,075,024 |
April 2012 | $47.87 | $49.49 | $44.81 | $49.13 | 39,009,554 |
March 2012 | $43.30 | $47.92 | $41.98 | $47.75 | 28,813,270 |
February 2012 | $42.07 | $45.49 | $41.95 | $43.38 | 36,000,970 |
January 2012 | $40.92 | $41.83 | $38.64 | $40.94 | 37,118,745 |
December 2011 | $37.28 | $40.31 | $36.95 | $39.80 | 39,193,470 |
November 2011 | $38.19 | $41.17 | $34.47 | $37.65 | 35,294,066 |
October 2011 | $32.12 | $41.79 | $31.48 | $39.93 | 61,355,193 |
September 2011 | $33.49 | $35.98 | $30.54 | $32.89 | 46,982,164 |
August 2011 | $34.41 | $34.57 | $29.19 | $33.59 | 56,928,943 |
July 2011 | $35.43 | $36.94 | $32.11 | $33.95 | 50,517,410 |
June 2011 | $36.90 | $37.19 | $32.62 | $35.20 | 29,802,639 |
May 2011 | $39.98 | $40.55 | $35.59 | $37.15 | 42,738,443 |
April 2011 | $41.48 | $42.10 | $35.72 | $39.77 | 56,403,369 |
March 2011 | $41.52 | $43.16 | $36.65 | $41.82 | 36,256,609 |
February 2011 | $40.45 | $42.63 | $39.55 | $40.98 | 41,109,577 |
January 2011 | $36.48 | $40.48 | $33.04 | $39.48 | 70,161,715 |
December 2010 | $31.66 | $36.53 | $31.64 | $36.03 | 33,866,427 |