| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 2010 | $19.49 | $21.65 | $19.48 | $21.27 | 1,033,857,231 |
November 2010 | $20.36 | $20.82 | $19.00 | $19.25 | 1,361,330,987 |
October 2010 | $18.76 | $20.60 | $18.01 | $20.20 | 1,281,541,660 |
September 2010 | $17.93 | $19.34 | $17.83 | $18.55 | 1,273,584,008 |
August 2010 | $19.58 | $19.88 | $17.66 | $17.77 | 1,279,579,993 |
July 2010 | $17.40 | $19.90 | $17.13 | $19.45 | 1,410,632,258 |
June 2010 | $19.24 | $20.29 | $17.29 | $17.34 | 1,671,888,957 |
May 2010 | $23.01 | $23.30 | $18.51 | $19.44 | 1,720,357,040 |
April 2010 | $22.02 | $23.69 | $21.47 | $22.90 | 1,319,076,706 |
March 2010 | $21.58 | $22.93 | $21.18 | $21.97 | 1,110,339,425 |
February 2010 | $21.20 | $21.78 | $20.58 | $21.51 | 1,074,678,044 |
January 2010 | $22.86 | $23.32 | $20.65 | $21.04 | 1,359,725,057 |
December 2009 | $22.04 | $23.52 | $21.84 | $22.76 | 920,649,374 |
November 2009 | $20.59 | $22.50 | $20.37 | $21.96 | 1,018,302,440 |
October 2009 | $18.88 | $21.82 | $18.16 | $20.61 | 1,523,468,245 |
September 2009 | $18.10 | $19.51 | $17.66 | $19.12 | 1,039,017,930 |
August 2009 | $17.61 | $18.95 | $17.02 | $18.32 | 993,305,766 |
July 2009 | $17.78 | $19.01 | $16.26 | $17.39 | 1,517,498,875 |
June 2009 | $15.52 | $17.99 | $15.42 | $17.57 | 1,411,203,030 |
May 2009 | $14.83 | $15.48 | $13.96 | $15.44 | 1,101,595,348 |
April 2009 | $13.39 | $15.57 | $13.35 | $14.88 | 1,562,427,598 |
March 2009 | $11.72 | $13.87 | $10.92 | $13.49 | 1,626,225,386 |
February 2009 | $12.42 | $14.54 | $11.83 | $11.86 | 1,456,270,401 |
January 2009 | $14.25 | $15.32 | $12.22 | $12.47 | 1,565,598,317 |
December 2008 | $14.50 | $15.50 | $13.47 | $14.18 | 1,549,801,384 |
