| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $45.25 | $45.96 | $43.67 | $45.28 | 131,934,410 |
November 2012 | $42.71 | $45.23 | $41.80 | $45.04 | 137,888,320 |
October 2012 | $41.74 | $44.80 | $41.23 | $42.48 | 166,716,670 |
September 2012 | $38.46 | $42.53 | $38.46 | $41.58 | 129,351,890 |
August 2012 | $39.06 | $39.90 | $38.06 | $38.95 | 155,919,620 |
July 2012 | $40.05 | $41.26 | $37.28 | $40.21 | 173,922,870 |
June 2012 | $36.69 | $40.11 | $35.89 | $39.59 | 159,695,530 |
May 2012 | $41.96 | $42.98 | $36.28 | $37.42 | 248,470,570 |
April 2012 | $38.80 | $42.56 | $38.54 | $41.63 | 175,609,810 |
March 2012 | $38.86 | $40.25 | $37.37 | $38.68 | 165,371,420 |
February 2012 | $32.95 | $39.42 | $32.75 | $38.63 | 231,281,150 |
January 2012 | $34.79 | $34.81 | $30.93 | $32.71 | 248,022,680 |
December 2011 | $34.24 | $35.40 | $32.92 | $34.28 | 171,618,750 |
November 2011 | $30.96 | $34.45 | $30.65 | $34.44 | 231,571,810 |
October 2011 | $28.90 | $32.73 | $26.93 | $31.93 | 257,932,980 |
September 2011 | $30.34 | $33.26 | $28.63 | $29.15 | 354,541,779 |
August 2011 | $28.33 | $31.28 | $26.80 | $30.30 | 412,143,509 |
July 2011 | $27.60 | $29.62 | $27.52 | $27.87 | 221,119,040 |
June 2011 | $26.33 | $28.46 | $23.73 | $27.68 | 281,279,260 |
May 2011 | $25.44 | $26.51 | $24.62 | $26.37 | 184,353,770 |
April 2011 | $23.13 | $25.54 | $23.13 | $25.34 | 162,707,880 |
March 2011 | $22.26 | $24.09 | $22.07 | $23.11 | 210,082,270 |
February 2011 | $21.14 | $23.76 | $21.14 | $22.08 | 175,699,390 |
January 2011 | $20.77 | $22.36 | $20.12 | $21.71 | 242,946,790 |
December 2010 | $22.19 | $23.92 | $19.72 | $20.56 | 399,326,028 |