| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $13.15 | $13.37 | $12.91 | $13.10 | 738,546,300 |
November 2010 | $13.06 | $13.46 | $12.91 | $13.07 | 725,407,200 |
October 2010 | $12.95 | $13.24 | $12.79 | $13.09 | 625,335,300 |
September 2010 | $12.20 | $13.14 | $12.19 | $12.93 | 648,852,000 |
August 2010 | $12.38 | $12.61 | $12.08 | $12.11 | 817,677,300 |
July 2010 | $11.55 | $12.44 | $11.47 | $12.30 | 841,022,400 |
June 2010 | $12.20 | $12.51 | $11.53 | $11.55 | 1,171,645,500 |
May 2010 | $12.87 | $13.12 | $12.01 | $12.14 | 1,194,357,000 |
April 2010 | $13.31 | $13.35 | $12.78 | $12.81 | 848,853,300 |
March 2010 | $12.83 | $13.44 | $12.62 | $13.28 | 812,293,200 |
February 2010 | $12.73 | $12.94 | $12.50 | $12.84 | 835,515,000 |
January 2010 | $12.76 | $13.11 | $12.47 | $12.69 | 874,774,500 |
December 2009 | $12.96 | $13.06 | $12.42 | $12.69 | 794,043,900 |
November 2009 | $11.77 | $13.02 | $11.70 | $12.89 | 918,029,100 |
October 2009 | $11.59 | $12.29 | $11.51 | $11.74 | 1,122,053,400 |
September 2009 | $12.00 | $12.31 | $11.51 | $11.60 | 1,127,019,900 |
August 2009 | $11.80 | $12.42 | $11.46 | $12.02 | 1,032,756,000 |
July 2009 | $11.41 | $11.85 | $11.13 | $11.72 | 1,107,206,700 |
June 2009 | $11.79 | $12.16 | $11.28 | $11.38 | 1,253,095,500 |
May 2009 | $11.80 | $12.01 | $11.31 | $11.69 | 1,131,146,700 |
April 2009 | $12.01 | $12.75 | $11.13 | $11.78 | 1,351,566,300 |
March 2009 | $11.34 | $12.39 | $10.92 | $12.18 | 1,635,886,500 |
February 2009 | $10.82 | $11.78 | $10.75 | $11.44 | 1,527,099,600 |
January 2009 | $13.01 | $13.37 | $10.90 | $10.95 | 1,555,641,600 |
December 2008 | $12.81 | $13.71 | $12.08 | $13.03 | 1,408,234,500 |