| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $18.49 | $18.75 | $17.37 | $17.60 | 595,301,100 |
November 2012 | $19.27 | $19.28 | $17.35 | $18.47 | 581,062,500 |
October 2012 | $18.93 | $19.90 | $18.88 | $19.24 | 434,574,600 |
September 2012 | $18.66 | $19.28 | $18.61 | $18.93 | 364,815,000 |
August 2012 | $19.05 | $19.12 | $18.30 | $18.62 | 490,855,500 |
July 2012 | $17.75 | $19.19 | $17.64 | $18.99 | 632,059,500 |
June 2012 | $16.69 | $17.78 | $16.61 | $17.78 | 687,794,400 |
May 2012 | $14.94 | $17.00 | $14.82 | $16.79 | 741,294,000 |
April 2012 | $15.48 | $15.83 | $14.49 | $14.93 | 755,363,700 |
March 2012 | $14.94 | $15.58 | $14.76 | $15.51 | 557,466,600 |
February 2012 | $15.55 | $15.76 | $14.65 | $14.87 | 597,943,500 |
January 2012 | $15.09 | $15.60 | $14.69 | $15.44 | 490,731,000 |
December 2011 | $14.67 | $15.10 | $14.45 | $15.04 | 580,820,700 |
November 2011 | $13.96 | $14.86 | $13.93 | $14.73 | 666,339,900 |
October 2011 | $12.98 | $14.50 | $12.91 | $14.19 | 806,461,500 |
September 2011 | $13.31 | $13.39 | $12.49 | $12.98 | 827,598,300 |
August 2011 | $13.11 | $13.38 | $12.08 | $13.30 | 1,273,581,300 |
July 2011 | $13.21 | $13.61 | $13.08 | $13.09 | 594,311,700 |
June 2011 | $13.65 | $13.70 | $12.86 | $13.20 | 847,694,100 |
May 2011 | $13.59 | $14.02 | $13.46 | $13.71 | 587,097,000 |
April 2011 | $12.89 | $13.61 | $12.81 | $13.56 | 533,978,400 |
March 2011 | $12.78 | $13.29 | $12.57 | $12.84 | 837,741,900 |
February 2011 | $13.81 | $13.90 | $12.62 | $12.73 | 830,517,600 |
January 2011 | $13.28 | $14.18 | $13.12 | $13.74 | 781,969,500 |
December 2010 | $13.26 | $13.48 | $13.02 | $13.21 | 738,546,300 |
