| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2007 | $24.26 | $24.69 | $23.65 | $23.94 | 206,260,700 |
November 2007 | $22.86 | $24.33 | $22.37 | $24.33 | 244,252,100 |
October 2007 | $21.86 | $23.06 | $21.67 | $22.88 | 208,044,600 |
September 2007 | $21.53 | $21.89 | $20.74 | $21.81 | 210,914,900 |
August 2007 | $20.54 | $22.02 | $20.08 | $21.53 | 298,382,700 |
July 2007 | $21.79 | $22.40 | $19.58 | $20.62 | 224,209,900 |
June 2007 | $21.84 | $22.09 | $21.09 | $21.76 | 258,821,200 |
May 2007 | $21.27 | $22.18 | $20.84 | $21.84 | 203,329,700 |
April 2007 | $20.62 | $21.84 | $20.55 | $21.17 | 269,928,400 |
March 2007 | $25.35 | $26.97 | $25.00 | $26.97 | 371,444,400 |
February 2007 | $26.60 | $26.72 | $24.69 | $25.63 | 178,812,900 |
January 2007 | $26.19 | $27.52 | $26.15 | $26.58 | 200,533,100 |
December 2006 | $25.35 | $26.29 | $25.12 | $26.10 | 151,686,300 |
November 2006 | $24.68 | $25.76 | $24.15 | $25.35 | 163,175,100 |
October 2006 | $23.15 | $24.97 | $22.72 | $24.49 | 257,639,400 |
September 2006 | $25.03 | $25.18 | $22.58 | $23.05 | 279,410,700 |
August 2006 | $23.83 | $25.33 | $23.53 | $24.89 | 160,866,900 |
July 2006 | $21.88 | $24.13 | $21.63 | $23.83 | 218,674,800 |
June 2006 | $21.37 | $22.10 | $20.65 | $21.88 | 173,280,500 |
May 2006 | $21.54 | $21.92 | $20.64 | $21.31 | 158,336,000 |
April 2006 | $20.92 | $21.58 | $20.14 | $21.55 | 144,633,000 |
March 2006 | $21.04 | $21.96 | $20.77 | $20.88 | 164,633,600 |
February 2006 | $21.14 | $21.51 | $20.56 | $20.95 | 129,575,900 |
January 2006 | $21.90 | $22.55 | $21.08 | $21.08 | 138,751,400 |
December 2005 | $21.10 | $22.69 | $20.61 | $21.77 | 220,996,600 |