| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $17.41 | $18.30 | $16.91 | $17.53 | 1,666,716,867 |
November 2012 | $16.84 | $17.33 | $15.77 | $17.31 | 1,865,857,900 |
October 2012 | $18.82 | $19.20 | $16.60 | $16.86 | 2,869,788,502 |
September 2012 | $16.97 | $18.96 | $16.69 | $18.70 | 2,405,397,150 |
August 2012 | $15.80 | $17.08 | $15.45 | $16.98 | 1,881,059,225 |
July 2012 | $14.42 | $15.93 | $13.93 | $15.69 | 2,050,053,999 |
June 2012 | $14.17 | $14.57 | $13.80 | $14.38 | 1,858,964,970 |
May 2012 | $14.97 | $15.81 | $14.35 | $14.40 | 2,345,196,545 |
April 2012 | $15.88 | $16.19 | $14.63 | $14.99 | 2,353,646,045 |
March 2012 | $15.42 | $16.33 | $14.72 | $15.90 | 1,891,789,878 |
February 2012 | $14.50 | $15.51 | $14.36 | $15.33 | 1,893,055,773 |
January 2012 | $16.19 | $16.61 | $13.99 | $14.38 | 2,943,443,125 |
December 2011 | $14.87 | $16.03 | $14.85 | $16.01 | 2,200,427,599 |
November 2011 | $14.38 | $15.33 | $13.91 | $14.86 | 2,409,986,387 |
October 2011 | $12.64 | $14.94 | $11.91 | $14.69 | 3,086,091,044 |
September 2011 | $13.40 | $13.84 | $12.65 | $12.77 | 2,343,532,035 |
August 2011 | $15.15 | $15.26 | $12.17 | $13.41 | 4,268,235,414 |
July 2011 | $12.56 | $15.55 | $12.55 | $14.96 | 3,239,588,539 |
June 2011 | $13.09 | $13.22 | $11.73 | $12.55 | 2,363,244,594 |
May 2011 | $13.53 | $13.53 | $12.73 | $13.11 | 1,809,078,822 |
April 2011 | $14.59 | $14.75 | $12.87 | $13.49 | 2,810,162,339 |
March 2011 | $15.31 | $15.35 | $13.67 | $14.54 | 2,403,788,027 |
February 2011 | $14.98 | $15.65 | $14.91 | $15.21 | 1,674,518,994 |
January 2011 | $14.79 | $15.94 | $14.76 | $14.88 | 2,398,597,254 |
December 2010 | $13.96 | $15.05 | $13.94 | $14.72 | 1,690,966,396 |