| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
January 2008 | $25.80 | $25.93 | $25.13 | $25.50 | 112,603,800 |
December 2007 | $24.15 | $26.47 | $23.52 | $25.67 | 1,064,817,100 |
November 2007 | $26.25 | $26.95 | $23.56 | $24.22 | 1,830,846,800 |
October 2007 | $21.17 | $26.59 | $21.05 | $26.45 | 1,772,076,700 |
September 2007 | $20.48 | $21.45 | $20.31 | $21.17 | 1,117,419,500 |
August 2007 | $20.73 | $21.55 | $19.77 | $20.65 | 1,228,579,500 |
July 2007 | $21.25 | $22.80 | $20.73 | $20.76 | 1,295,548,000 |
June 2007 | $22.05 | $22.13 | $20.80 | $21.10 | 1,181,412,800 |
May 2007 | $21.37 | $22.31 | $21.34 | $21.98 | 1,327,154,700 |
April 2007 | $19.91 | $21.94 | $19.67 | $21.37 | 958,964,900 |
March 2007 | $19.86 | $20.38 | $18.99 | $19.89 | 1,269,506,500 |
February 2007 | $21.94 | $22.01 | $19.84 | $20.11 | 1,290,850,900 |
January 2007 | $21.28 | $22.39 | $20.91 | $21.95 | 1,324,518,200 |
December 2006 | $20.79 | $21.52 | $20.49 | $21.24 | 1,137,160,900 |
November 2006 | $20.40 | $21.34 | $20.26 | $20.88 | 1,239,142,000 |
October 2006 | $19.37 | $20.45 | $19.25 | $20.35 | 1,290,967,400 |
September 2006 | $18.35 | $19.51 | $18.00 | $19.39 | 1,097,482,600 |
August 2006 | $16.97 | $18.61 | $16.84 | $18.22 | 1,134,188,400 |
July 2006 | $16.62 | $17.37 | $15.70 | $16.99 | 1,332,298,100 |
June 2006 | $16.06 | $16.70 | $15.16 | $16.46 | 1,971,637,200 |
May 2006 | $17.11 | $17.59 | $15.86 | $16.00 | 2,309,193,400 |
April 2006 | $19.47 | $19.66 | $16.89 | $16.99 | 1,446,126,900 |
March 2006 | $18.98 | $19.85 | $18.73 | $19.14 | 1,437,940,900 |
February 2006 | $19.60 | $19.68 | $18.47 | $18.90 | 1,047,699,000 |
January 2006 | $18.41 | $19.90 | $18.30 | $19.74 | 1,388,622,700 |
