| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2012 | $56.52 | $57.05 | $52.33 | $56.56 | 43,173,946 |
November 2012 | $53.83 | $57.32 | $50.16 | $56.46 | 40,377,902 |
October 2012 | $52.70 | $54.67 | $46.18 | $53.86 | 69,060,618 |
September 2012 | $46.77 | $54.90 | $46.49 | $52.67 | 48,765,723 |
August 2012 | $52.09 | $54.05 | $45.96 | $46.77 | 67,313,895 |
July 2012 | $43.80 | $53.04 | $39.46 | $51.77 | 84,647,257 |
June 2012 | $41.03 | $46.02 | $39.89 | $43.66 | 81,937,815 |
May 2012 | $37.03 | $42.23 | $36.22 | $41.68 | 98,168,907 |
April 2012 | $30.14 | $39.82 | $28.08 | $38.66 | 94,494,863 |
March 2012 | $30.70 | $32.25 | $28.49 | $30.32 | 85,306,463 |
February 2012 | $29.32 | $31.42 | $28.80 | $30.78 | 73,771,188 |
January 2012 | $26.90 | $29.33 | $25.33 | $29.26 | 77,258,034 |
December 2011 | $23.79 | $27.50 | $22.85 | $26.24 | 53,207,018 |
November 2011 | $21.67 | $24.48 | $21.52 | $23.65 | 40,588,950 |
October 2011 | $21.65 | $24.86 | $20.17 | $22.21 | 53,328,045 |
September 2011 | $25.70 | $26.17 | $21.77 | $21.78 | 56,476,698 |
August 2011 | $26.66 | $26.79 | $22.05 | $25.63 | 67,979,746 |
July 2011 | $24.36 | $27.67 | $24.06 | $26.66 | 48,751,835 |
June 2011 | $23.29 | $24.51 | $22.43 | $24.39 | 52,402,502 |
May 2011 | $21.42 | $23.68 | $20.30 | $23.56 | 56,849,053 |
April 2011 | $19.02 | $21.54 | $18.41 | $20.93 | 85,918,763 |
March 2011 | $16.63 | $19.11 | $16.29 | $18.96 | 90,380,091 |
February 2011 | $21.04 | $21.65 | $16.48 | $16.50 | 80,056,226 |
January 2011 | $20.90 | $23.19 | $19.74 | $20.90 | 58,622,084 |
December 2010 | $22.57 | $22.93 | $20.64 | $20.85 | 39,458,351 |