| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $21.54 | $22.31 | $21.12 | $21.49 | 947,413,476 |
November 2012 | $23.01 | $24.10 | $21.19 | $21.41 | 1,310,567,468 |
October 2012 | $23.79 | $24.14 | $22.15 | $22.77 | 1,105,487,004 |
September 2012 | $24.30 | $25.22 | $23.73 | $23.75 | 893,165,317 |
August 2012 | $23.46 | $24.71 | $22.97 | $24.59 | 671,795,468 |
July 2012 | $24.27 | $24.61 | $22.62 | $23.36 | 846,663,550 |
June 2012 | $22.80 | $24.69 | $22.45 | $24.25 | 973,170,920 |
May 2012 | $25.24 | $25.47 | $22.70 | $23.14 | 1,014,429,321 |
April 2012 | $25.38 | $25.90 | $23.81 | $25.21 | 940,768,769 |
March 2012 | $25.15 | $25.95 | $24.80 | $25.40 | 942,419,638 |
February 2012 | $23.31 | $25.20 | $23.25 | $25.00 | 984,398,310 |
January 2012 | $20.77 | $23.43 | $20.65 | $23.10 | 1,354,912,503 |
December 2011 | $20.00 | $20.49 | $19.69 | $20.31 | 1,007,182,089 |
November 2011 | $20.34 | $21.12 | $19.01 | $20.01 | 1,046,244,355 |
October 2011 | $19.20 | $21.36 | $18.84 | $20.68 | 1,218,183,060 |
September 2011 | $20.55 | $21.36 | $19.10 | $19.33 | 1,279,992,373 |
August 2011 | $21.23 | $21.36 | $18.47 | $20.66 | 1,719,389,997 |
July 2011 | $20.01 | $21.72 | $19.94 | $21.14 | 1,259,395,480 |
June 2011 | $19.28 | $20.06 | $18.25 | $20.06 | 1,297,830,116 |
May 2011 | $19.89 | $20.12 | $18.54 | $19.30 | 1,364,179,093 |
April 2011 | $19.57 | $20.60 | $18.95 | $19.87 | 1,313,887,199 |
March 2011 | $20.39 | $20.53 | $18.92 | $19.47 | 1,311,032,085 |
February 2011 | $21.19 | $21.60 | $20.26 | $20.38 | 1,114,409,237 |
January 2011 | $21.38 | $22.45 | $20.90 | $21.13 | 1,361,327,166 |
December 2010 | $19.49 | $21.65 | $19.48 | $21.27 | 1,033,857,231 |
