| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $12.51 | $13.27 | $12.29 | $13.09 | 1,404,265,100 |
November 2010 | $14.85 | $15.92 | $12.38 | $12.40 | 2,260,755,000 |
October 2010 | $14.31 | $15.47 | $13.91 | $14.79 | 874,713,700 |
September 2010 | $13.17 | $14.44 | $13.10 | $14.17 | 1,203,729,400 |
August 2010 | $15.16 | $16.09 | $12.83 | $12.94 | 1,496,467,500 |
July 2010 | $13.72 | $16.82 | $13.54 | $14.93 | 1,068,619,500 |
June 2010 | $14.84 | $15.49 | $13.74 | $13.79 | 1,305,853,900 |
May 2010 | $17.49 | $17.92 | $14.60 | $14.99 | 1,443,471,900 |
April 2010 | $16.95 | $17.95 | $16.60 | $17.43 | 919,580,200 |
March 2010 | $15.74 | $17.37 | $15.74 | $16.84 | 1,169,108,100 |
February 2010 | $14.66 | $15.83 | $14.48 | $15.74 | 1,037,381,000 |
January 2010 | $15.60 | $16.24 | $14.46 | $14.54 | 930,989,500 |
December 2009 | $15.16 | $15.80 | $14.90 | $15.49 | 744,363,700 |
November 2009 | $14.80 | $15.60 | $14.59 | $15.14 | 849,170,600 |
October 2009 | $15.11 | $16.07 | $14.61 | $14.76 | 960,109,000 |
September 2009 | $13.89 | $15.45 | $13.63 | $15.23 | 1,031,663,000 |
August 2009 | $14.37 | $14.71 | $13.38 | $13.98 | 979,868,600 |
July 2009 | $12.19 | $14.49 | $11.53 | $14.24 | 1,139,848,800 |
June 2009 | $12.39 | $13.17 | $11.81 | $12.07 | 1,157,147,500 |
May 2009 | $12.45 | $12.94 | $11.40 | $11.97 | 1,121,282,300 |
April 2009 | $10.68 | $12.90 | $10.55 | $12.50 | 1,133,287,300 |
March 2009 | $9.27 | $11.25 | $8.81 | $10.85 | 1,353,537,700 |
February 2009 | $9.62 | $11.06 | $9.25 | $9.43 | 1,131,979,800 |
January 2009 | $10.62 | $11.63 | $9.65 | $9.69 | 1,106,201,100 |
December 2008 | $10.46 | $11.60 | $9.53 | $10.55 | 1,121,765,400 |