| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2007 | $34.77 | $37.89 | $34.56 | $35.05 | 145,737,700 |
November 2007 | $34.40 | $35.46 | $33.46 | $34.78 | 210,604,500 |
October 2007 | $31.73 | $34.69 | $31.69 | $34.63 | 169,180,500 |
September 2007 | $28.48 | $32.30 | $28.29 | $31.57 | 184,427,200 |
August 2007 | $27.63 | $30.07 | $27.03 | $28.54 | 184,713,500 |
July 2007 | $29.67 | $30.85 | $27.74 | $27.74 | 152,476,800 |
June 2007 | $29.30 | $30.65 | $28.99 | $29.42 | 151,087,700 |
May 2007 | $27.94 | $30.47 | $27.94 | $29.30 | 190,214,400 |
April 2007 | $25.66 | $28.81 | $25.65 | $27.98 | 145,227,100 |
March 2007 | $25.21 | $26.37 | $24.52 | $26.11 | 140,190,900 |
February 2007 | $25.65 | $26.78 | $25.14 | $25.32 | 108,331,900 |
January 2007 | $25.30 | $26.12 | $24.66 | $25.70 | 140,837,800 |
December 2006 | $24.45 | $25.90 | $24.17 | $25.69 | 102,668,500 |
November 2006 | $23.85 | $24.49 | $23.32 | $24.33 | 163,643,700 |
October 2006 | $22.13 | $24.04 | $22.04 | $23.72 | 426,927,400 |
September 2006 | $20.51 | $22.67 | $20.38 | $22.13 | 182,563,500 |
August 2006 | $19.92 | $20.51 | $19.36 | $20.31 | 97,181,000 |
July 2006 | $19.07 | $20.09 | $18.53 | $20.02 | 109,918,200 |
June 2006 | $18.66 | $19.58 | $17.95 | $19.01 | 131,708,100 |
May 2006 | $19.60 | $20.36 | $18.46 | $18.77 | 120,458,500 |
April 2006 | $19.49 | $20.13 | $19.07 | $19.56 | 106,187,800 |
March 2006 | $19.80 | $19.95 | $19.30 | $19.44 | 112,047,900 |
February 2006 | $19.81 | $20.79 | $19.74 | $19.75 | 101,717,900 |
January 2006 | $19.40 | $20.54 | $18.79 | $19.81 | 172,586,800 |
December 2005 | $19.37 | $20.19 | $19.00 | $19.08 | 111,305,900 |