| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $17.95 | $17.97 | $15.15 | $16.09 | 12,132,752,800 |
November 2012 | $18.00 | $18.15 | $15.29 | $17.69 | 12,929,851,200 |
October 2012 | $20.20 | $20.36 | $17.68 | $17.91 | 12,142,830,000 |
September 2012 | $20.03 | $21.22 | $19.74 | $20.07 | 9,199,005,200 |
August 2012 | $18.45 | $20.49 | $17.99 | $20.02 | 8,276,206,400 |
July 2012 | $17.52 | $18.57 | $17.08 | $18.30 | 8,909,650,400 |
June 2012 | $17.05 | $17.68 | $16.43 | $17.50 | 7,855,825,600 |
May 2012 | $17.53 | $17.88 | $15.65 | $17.31 | 11,106,345,600 |
April 2012 | $18.03 | $19.30 | $16.63 | $17.50 | 15,598,990,400 |
March 2012 | $16.42 | $18.62 | $15.47 | $17.96 | 15,584,338,000 |
February 2012 | $13.74 | $16.41 | $13.60 | $16.25 | 11,368,554,400 |
January 2012 | $12.27 | $13.73 | $12.25 | $13.68 | 6,859,854,400 |
December 2011 | $11.46 | $12.26 | $11.32 | $12.14 | 6,306,532,400 |
November 2011 | $11.91 | $12.22 | $10.89 | $11.45 | 8,963,701,600 |
October 2011 | $11.40 | $12.79 | $10.61 | $12.13 | 13,141,427,600 |
September 2011 | $11.56 | $12.67 | $10.98 | $11.43 | 11,977,448,000 |
August 2011 | $11.92 | $11.97 | $10.58 | $11.53 | 16,142,599,200 |
July 2011 | $10.07 | $12.12 | $10.01 | $11.70 | 10,653,946,800 |
June 2011 | $10.45 | $10.55 | $9.30 | $10.06 | 9,263,850,400 |
May 2011 | $10.48 | $10.54 | $9.87 | $10.42 | 6,912,060,400 |
April 2011 | $10.52 | $10.64 | $9.59 | $10.49 | 9,253,829,200 |
March 2011 | $10.65 | $10.84 | $9.78 | $10.44 | 11,306,458,800 |
February 2011 | $10.23 | $10.93 | $10.12 | $10.58 | 9,295,949,600 |
January 2011 | $9.76 | $10.45 | $9.73 | $10.17 | 10,841,535,600 |
December 2010 | $9.45 | $9.79 | $9.44 | $9.66 | 6,973,234,800 |