| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2007 | $57.96 | $61.50 | $56.72 | $57.88 | 30,391,000 |
November 2007 | $58.46 | $60.86 | $56.19 | $57.75 | 41,307,200 |
October 2007 | $54.71 | $59.76 | $53.60 | $59.17 | 37,204,800 |
September 2007 | $50.90 | $55.55 | $49.66 | $54.75 | 27,845,100 |
August 2007 | $50.57 | $52.50 | $45.77 | $50.92 | 54,941,700 |
July 2007 | $50.78 | $54.51 | $49.95 | $50.92 | 46,388,700 |
June 2007 | $51.82 | $52.54 | $49.93 | $50.51 | 38,850,100 |
May 2007 | $50.76 | $53.22 | $50.31 | $51.82 | 30,679,100 |
April 2007 | $49.20 | $52.31 | $48.90 | $50.69 | 26,132,500 |
March 2007 | $48.26 | $50.78 | $47.86 | $49.16 | 30,538,400 |
February 2007 | $50.19 | $51.78 | $47.77 | $49.14 | 30,910,600 |
January 2007 | $48.15 | $52.30 | $47.21 | $50.28 | 40,209,200 |
December 2006 | $48.01 | $48.74 | $46.42 | $47.70 | 24,776,300 |
November 2006 | $45.58 | $48.21 | $44.45 | $48.01 | 32,916,300 |
October 2006 | $46.48 | $50.03 | $45.25 | $45.61 | 41,237,400 |
September 2006 | $43.19 | $46.64 | $42.90 | $45.84 | 22,045,000 |
August 2006 | $42.85 | $44.72 | $42.21 | $43.20 | 25,605,200 |
July 2006 | $41.74 | $44.69 | $41.25 | $42.86 | 37,283,800 |
June 2006 | $40.51 | $42.56 | $39.63 | $41.72 | 30,648,000 |
May 2006 | $41.90 | $44.11 | $39.31 | $40.56 | 33,621,400 |
April 2006 | $40.79 | $44.37 | $40.19 | $41.82 | 30,360,100 |
March 2006 | $39.93 | $41.88 | $39.26 | $40.63 | 42,975,200 |
February 2006 | $36.53 | $39.79 | $36.32 | $39.14 | 35,561,600 |
January 2006 | $36.37 | $38.07 | $35.87 | $36.95 | 31,322,400 |
December 2005 | $36.31 | $36.78 | $34.86 | $36.09 | 41,980,000 |