
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2011 | $14.90 | $16.06 | $14.88 | $16.04 | 2,200,428,638 |
November 2011 | $14.41 | $15.36 | $13.94 | $14.89 | 2,409,987,865 |
October 2011 | $12.66 | $14.97 | $11.94 | $14.72 | 3,086,092,523 |
September 2011 | $13.43 | $13.87 | $12.68 | $12.79 | 2,343,532,595 |
August 2011 | $15.18 | $15.29 | $12.19 | $13.44 | 4,268,235,414 |
July 2011 | $12.59 | $15.58 | $12.58 | $14.99 | 3,239,588,539 |
June 2011 | $13.11 | $13.24 | $11.75 | $12.58 | 2,363,244,594 |
May 2011 | $13.55 | $13.55 | $12.75 | $13.14 | 1,809,079,661 |
April 2011 | $14.62 | $14.78 | $12.89 | $13.51 | 2,810,163,618 |
March 2011 | $15.34 | $15.38 | $13.69 | $14.57 | 2,403,789,546 |
February 2011 | $15.01 | $15.68 | $14.94 | $15.23 | 1,674,519,994 |
January 2011 | $14.81 | $15.97 | $14.79 | $14.91 | 2,398,597,653 |