| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $19.54 | $23.11 | $19.34 | $21.65 | 1,370,200 |
November 2010 | $18.85 | $20.92 | $18.24 | $19.16 | 941,600 |
October 2010 | $18.29 | $20.41 | $17.74 | $18.94 | 1,026,600 |
September 2010 | $17.16 | $18.64 | $16.64 | $18.13 | 1,275,800 |
August 2010 | $17.75 | $18.08 | $16.26 | $16.88 | 1,926,200 |
July 2010 | $16.36 | $18.08 | $15.48 | $17.41 | 2,131,200 |
June 2010 | $18.58 | $19.15 | $16.20 | $16.29 | 2,468,300 |
May 2010 | $20.57 | $20.90 | $18.11 | $18.75 | 2,148,100 |
April 2010 | $19.89 | $21.85 | $19.67 | $20.47 | 1,619,300 |
March 2010 | $18.62 | $20.26 | $18.35 | $19.85 | 1,418,200 |
February 2010 | $18.31 | $18.96 | $17.28 | $18.57 | 1,484,300 |
January 2010 | $18.72 | $19.30 | $17.26 | $18.19 | 1,895,900 |
December 2009 | $18.78 | $19.25 | $17.79 | $18.49 | 3,081,200 |
November 2009 | $17.57 | $19.16 | $16.91 | $18.67 | 3,937,000 |
October 2009 | $16.82 | $18.10 | $16.40 | $17.50 | 1,533,100 |
September 2009 | $17.85 | $18.22 | $16.42 | $16.87 | 1,414,600 |
August 2009 | $18.54 | $19.86 | $17.86 | $18.02 | 1,022,000 |
July 2009 | $17.17 | $18.66 | $15.89 | $18.23 | 1,679,100 |
June 2009 | $18.16 | $19.15 | $16.27 | $16.98 | 2,074,700 |
May 2009 | $17.08 | $19.07 | $15.58 | $17.75 | 1,663,400 |
April 2009 | $14.81 | $17.52 | $14.47 | $16.49 | 1,112,300 |
March 2009 | $14.27 | $16.75 | $11.33 | $15.09 | 2,059,700 |
February 2009 | $13.90 | $15.69 | $13.60 | $14.50 | 2,141,200 |
January 2009 | $18.86 | $18.90 | $13.28 | $14.22 | 1,763,100 |
December 2008 | $18.70 | $19.20 | $15.78 | $19.01 | 3,117,300 |