| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $32.56 | $34.62 | $32.55 | $34.05 | 226,594,671 |
November 2010 | $31.20 | $33.89 | $30.58 | $32.21 | 382,957,352 |
October 2010 | $31.19 | $31.27 | $29.09 | $30.95 | 311,728,988 |
September 2010 | $26.70 | $31.35 | $26.67 | $30.93 | 389,654,531 |
August 2010 | $26.14 | $27.28 | $25.54 | $26.25 | 351,865,486 |
July 2010 | $22.36 | $27.04 | $21.57 | $25.97 | 464,697,897 |
June 2010 | $24.17 | $25.10 | $22.32 | $22.39 | 436,056,351 |
May 2010 | $26.39 | $26.49 | $23.41 | $24.25 | 456,542,004 |
April 2010 | $28.60 | $29.43 | $25.63 | $26.24 | 515,783,250 |
March 2010 | $24.97 | $29.74 | $24.05 | $28.46 | 656,220,562 |
February 2010 | $26.50 | $26.99 | $24.74 | $24.88 | 611,056,002 |
January 2010 | $31.60 | $33.63 | $25.99 | $26.46 | 573,466,239 |
December 2009 | $30.39 | $31.73 | $29.75 | $31.24 | 242,588,311 |
November 2009 | $27.82 | $31.11 | $27.64 | $30.39 | 297,605,305 |
October 2009 | $30.01 | $30.03 | $27.01 | $27.80 | 460,595,681 |
September 2009 | $30.97 | $31.45 | $29.60 | $30.26 | 378,956,497 |
August 2009 | $31.28 | $32.43 | $29.92 | $31.23 | 289,119,828 |
July 2009 | $30.41 | $32.66 | $28.60 | $30.97 | 380,823,060 |
June 2009 | $29.56 | $31.32 | $28.72 | $30.30 | 404,725,489 |
May 2009 | $28.25 | $29.52 | $26.61 | $29.22 | 323,549,339 |
April 2009 | $25.55 | $29.77 | $25.41 | $28.26 | 426,626,730 |
March 2009 | $21.99 | $26.51 | $21.79 | $25.98 | 525,019,745 |
February 2009 | $22.70 | $24.52 | $21.71 | $22.32 | 441,877,412 |
January 2009 | $23.69 | $25.06 | $22.12 | $22.96 | 427,425,986 |
December 2008 | $21.61 | $24.18 | $19.40 | $23.81 | 417,174,210 |
