| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $21.64 | $22.41 | $21.22 | $21.59 | 947,310,900 |
November 2012 | $23.12 | $24.21 | $21.29 | $21.51 | 1,310,516,100 |
October 2012 | $23.90 | $24.25 | $22.26 | $22.88 | 1,105,402,300 |
September 2012 | $24.41 | $25.34 | $23.84 | $23.86 | 893,107,700 |
August 2012 | $23.57 | $24.82 | $23.07 | $24.71 | 671,748,400 |
July 2012 | $24.39 | $24.73 | $22.73 | $23.47 | 846,604,100 |
June 2012 | $22.91 | $24.80 | $22.55 | $24.36 | 973,131,400 |
May 2012 | $25.36 | $25.59 | $22.81 | $23.25 | 1,014,372,600 |
April 2012 | $25.49 | $26.02 | $23.92 | $25.34 | 940,739,700 |
March 2012 | $25.26 | $26.07 | $24.92 | $25.53 | 942,366,500 |
February 2012 | $23.42 | $25.32 | $23.35 | $25.11 | 984,332,300 |
January 2012 | $20.87 | $23.54 | $20.74 | $23.21 | 1,354,858,100 |
December 2011 | $20.09 | $20.59 | $19.78 | $20.41 | 1,007,166,600 |
November 2011 | $20.43 | $21.22 | $19.10 | $20.11 | 1,046,207,400 |
October 2011 | $19.29 | $21.46 | $18.93 | $20.78 | 1,218,142,500 |
September 2011 | $20.64 | $21.46 | $19.19 | $19.42 | 1,279,920,200 |
August 2011 | $21.33 | $21.47 | $18.56 | $20.75 | 1,719,339,500 |
July 2011 | $20.10 | $21.82 | $20.03 | $21.24 | 1,259,328,200 |
June 2011 | $19.37 | $20.16 | $18.34 | $20.16 | 1,297,757,600 |
May 2011 | $19.98 | $20.22 | $18.63 | $19.39 | 1,364,062,800 |
April 2011 | $19.66 | $20.70 | $19.04 | $19.96 | 1,313,844,800 |
March 2011 | $20.49 | $20.63 | $19.01 | $19.56 | 1,310,885,200 |
February 2011 | $21.29 | $21.70 | $20.36 | $20.47 | 1,114,368,500 |
January 2011 | $21.48 | $22.56 | $21.00 | $21.23 | 1,361,258,700 |
December 2010 | $19.58 | $21.75 | $19.57 | $21.37 | 1,033,710,000 |
