| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $21.49 | $22.25 | $21.08 | $21.44 | 947,413,476 |
November 2012 | $22.96 | $24.04 | $21.14 | $21.36 | 1,310,567,468 |
October 2012 | $23.73 | $24.08 | $22.10 | $22.72 | 1,105,487,004 |
September 2012 | $24.24 | $25.17 | $23.68 | $23.69 | 893,165,317 |
August 2012 | $23.40 | $24.65 | $22.91 | $24.54 | 671,795,468 |
July 2012 | $24.22 | $24.56 | $22.57 | $23.31 | 846,663,550 |
June 2012 | $22.75 | $24.63 | $22.40 | $24.19 | 973,170,920 |
May 2012 | $25.18 | $25.41 | $22.65 | $23.09 | 1,014,429,321 |
April 2012 | $25.32 | $25.84 | $23.75 | $25.16 | 940,768,769 |
March 2012 | $25.09 | $25.89 | $24.74 | $25.34 | 942,419,638 |
February 2012 | $23.25 | $25.14 | $23.19 | $24.94 | 984,398,310 |
January 2012 | $20.73 | $23.38 | $20.60 | $23.05 | 1,354,912,503 |
December 2011 | $19.95 | $20.44 | $19.64 | $20.26 | 1,007,182,089 |
November 2011 | $20.29 | $21.07 | $18.97 | $19.97 | 1,046,244,355 |
October 2011 | $19.15 | $21.31 | $18.80 | $20.63 | 1,218,183,060 |
September 2011 | $20.50 | $21.31 | $19.06 | $19.28 | 1,279,992,373 |
August 2011 | $21.18 | $21.32 | $18.43 | $20.61 | 1,719,389,997 |
July 2011 | $19.96 | $21.67 | $19.89 | $21.10 | 1,259,395,480 |
June 2011 | $19.24 | $20.02 | $18.21 | $20.02 | 1,297,830,116 |
May 2011 | $19.84 | $20.08 | $18.50 | $19.26 | 1,364,179,093 |
April 2011 | $19.53 | $20.55 | $18.91 | $19.83 | 1,313,887,199 |
March 2011 | $20.35 | $20.48 | $18.88 | $19.42 | 1,311,032,085 |
February 2011 | $21.14 | $21.55 | $20.22 | $20.33 | 1,114,409,237 |
January 2011 | $21.33 | $22.40 | $20.85 | $21.08 | 1,361,327,166 |
December 2010 | $19.44 | $21.60 | $19.44 | $21.22 | 1,033,857,231 |