| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $13.20 | $13.43 | $12.96 | $13.16 | 738,546,300 |
November 2010 | $13.11 | $13.52 | $12.96 | $13.12 | 725,407,200 |
October 2010 | $13.01 | $13.30 | $12.84 | $13.14 | 625,335,300 |
September 2010 | $12.25 | $13.20 | $12.24 | $12.99 | 648,852,000 |
August 2010 | $12.44 | $12.66 | $12.13 | $12.17 | 817,677,300 |
July 2010 | $11.60 | $12.50 | $11.52 | $12.35 | 841,022,400 |
June 2010 | $12.25 | $12.56 | $11.58 | $11.60 | 1,171,645,500 |
May 2010 | $12.92 | $13.18 | $12.06 | $12.20 | 1,194,357,000 |
April 2010 | $13.37 | $13.41 | $12.84 | $12.86 | 848,853,300 |
March 2010 | $12.89 | $13.50 | $12.68 | $13.33 | 812,293,200 |
February 2010 | $12.79 | $13.00 | $12.56 | $12.89 | 835,515,000 |
January 2010 | $12.82 | $13.16 | $12.52 | $12.74 | 874,774,500 |
December 2009 | $13.02 | $13.12 | $12.48 | $12.75 | 794,043,900 |
November 2009 | $11.82 | $13.07 | $11.75 | $12.94 | 918,029,100 |
October 2009 | $11.64 | $12.34 | $11.56 | $11.79 | 1,122,053,400 |
September 2009 | $12.06 | $12.36 | $11.56 | $11.65 | 1,127,019,900 |
August 2009 | $11.85 | $12.47 | $11.50 | $12.07 | 1,032,756,000 |
July 2009 | $11.46 | $11.90 | $11.17 | $11.77 | 1,107,206,700 |
June 2009 | $11.84 | $12.21 | $11.33 | $11.43 | 1,253,095,500 |
May 2009 | $11.85 | $12.06 | $11.36 | $11.74 | 1,131,146,700 |
April 2009 | $12.06 | $12.81 | $11.18 | $11.83 | 1,351,566,300 |
March 2009 | $11.39 | $12.44 | $10.97 | $12.23 | 1,635,886,500 |
February 2009 | $10.87 | $11.83 | $10.80 | $11.49 | 1,527,099,600 |
January 2009 | $13.07 | $13.42 | $10.95 | $11.00 | 1,555,641,600 |
December 2008 | $12.87 | $13.77 | $12.14 | $13.09 | 1,408,234,500 |