| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 33.77 | 34.16 | 33.75 | 34.04 | 1,955,101 | +0.44(+1.31%) |
| Feb 25, 2011 | 33.04 | 33.62 | 33.04 | 33.60 | 1,254,961 | +0.43(+1.30%) |
| Feb 24, 2011 | 33.22 | 33.36 | 33.02 | 33.17 | 1,646,362 | -0.13(-0.39%) |
| Feb 23, 2011 | 33.50 | 33.69 | 33.30 | 33.30 | 1,721,142 | -0.14(-0.42%) |
| Feb 22, 2011 | 33.18 | 33.47 | 33.18 | 33.44 | 1,108,445 | +0.00(+0.00%) |
| Feb 18, 2011 | 33.45 | 33.59 | 33.29 | 33.44 | 1,260,376 | -0.18(-0.54%) |
| Feb 17, 2011 | 33.49 | 33.78 | 33.42 | 33.62 | 873,430 | +0.15(+0.45%) |
| Feb 16, 2011 | 33.49 | 33.75 | 33.23 | 33.47 | 966,860 | -0.02(-0.06%) |
| Feb 15, 2011 | 33.32 | 33.54 | 33.19 | 33.49 | 1,029,166 | +0.09(+0.27%) |
| Feb 14, 2011 | 33.58 | 33.59 | 33.14 | 33.40 | 1,108,489 | -0.17(-0.51%) |
| Feb 11, 2011 | 33.44 | 33.62 | 33.25 | 33.57 | 1,885,498 | -0.22(-0.65%) |
| Feb 10, 2011 | 33.57 | 33.84 | 33.53 | 33.79 | 1,921,360 | -0.01(-0.03%) |
| Feb 09, 2011 | 33.73 | 33.80 | 33.52 | 33.80 | 1,587,302 | +0.11(+0.33%) |
| Feb 08, 2011 | 33.83 | 33.87 | 33.59 | 33.69 | 942,579 | -0.12(-0.35%) |
| Feb 07, 2011 | 33.73 | 34.01 | 33.63 | 33.81 | 1,991,087 | +0.07(+0.21%) |
| Feb 04, 2011 | 33.77 | 33.86 | 33.45 | 33.74 | 1,654,034 | -0.01(-0.03%) |
| Feb 03, 2011 | 33.70 | 33.86 | 33.46 | 33.75 | 2,211,504 | +0.03(+0.09%) |
| Feb 02, 2011 | 33.59 | 33.85 | 33.49 | 33.72 | 1,822,853 | +0.03(+0.09%) |
| Feb 01, 2011 | 33.10 | 33.89 | 32.92 | 33.69 | 2,617,429 | +0.77(+2.34%) |
| Jan 31, 2011 | 32.91 | 33.18 | 32.68 | 32.92 | 2,215,859 | +0.15(+0.46%) |
| Jan 28, 2011 | 32.98 | 33.31 | 32.68 | 32.77 | 3,375,142 | -0.05(-0.15%) |
| Jan 27, 2011 | 32.66 | 32.86 | 32.51 | 32.82 | 1,847,517 | +0.18(+0.55%) |
| Jan 26, 2011 | 33.03 | 33.03 | 32.57 | 32.64 | 2,535,931 | -0.40(-1.21%) |
| Jan 25, 2011 | 32.78 | 33.05 | 32.76 | 33.04 | 1,355,154 | +0.22(+0.67%) |
| Jan 24, 2011 | 32.64 | 32.98 | 32.61 | 32.82 | 1,198,969 | +0.24(+0.74%) |
| Jan 21, 2011 | 32.87 | 32.87 | 32.47 | 32.58 | 1,212,106 | -0.06(-0.18%) |
| Jan 20, 2011 | 32.42 | 32.80 | 32.41 | 32.64 | 1,348,242 | +0.27(+0.83%) |
| Jan 19, 2011 | 32.63 | 32.77 | 32.32 | 32.37 | 1,066,980 | -0.21(-0.64%) |
| Jan 18, 2011 | 32.11 | 32.69 | 31.98 | 32.58 | 2,413,715 | +0.57(+1.78%) |
| Jan 14, 2011 | 31.70 | 32.01 | 31.61 | 32.01 | 1,535,839 | +0.26(+0.82%) |
| Jan 13, 2011 | 31.62 | 31.80 | 31.54 | 31.75 | 1,085,226 | +0.13(+0.41%) |
| Jan 12, 2011 | 31.70 | 31.79 | 31.57 | 31.62 | 1,727,675 | +0.05(+0.16%) |
| Jan 11, 2011 | 31.61 | 31.77 | 31.51 | 31.57 | 1,115,562 | +0.01(+0.03%) |
| Jan 10, 2011 | 31.49 | 31.63 | 31.19 | 31.56 | 1,535,233 | -0.07(-0.22%) |
| Jan 07, 2011 | 31.49 | 31.70 | 31.34 | 31.63 | 1,200,168 | +0.18(+0.57%) |
| Jan 06, 2011 | 31.44 | 31.54 | 31.26 | 31.45 | 1,726,195 | -0.04(-0.13%) |
| Jan 05, 2011 | 31.81 | 31.85 | 31.41 | 31.49 | 2,333,396 | -0.41(-1.29%) |
| Jan 04, 2011 | 32.04 | 32.04 | 31.64 | 31.90 | 2,075,882 | -0.05(-0.16%) |
| Jan 03, 2011 | 32.05 | 32.21 | 31.90 | 31.95 | 1,362,323 | +0.07(+0.22%) |
| Dec 31, 2010 | 32.08 | 32.21 | 31.86 | 31.88 | 860,196 | -0.17(-0.53%) |
| Dec 30, 2010 | 32.06 | 32.19 | 32.00 | 32.05 | 842,593 | +0.01(+0.03%) |
| Dec 29, 2010 | 31.98 | 32.17 | 31.86 | 32.04 | 1,043,436 | +0.12(+0.38%) |
| Dec 28, 2010 | 31.83 | 31.98 | 31.60 | 31.92 | 947,059 | +0.16(+0.50%) |
| Dec 27, 2010 | 31.74 | 31.80 | 31.54 | 31.76 | 1,018,057 | -0.10(-0.31%) |
| Dec 23, 2010 | 31.88 | 32.00 | 31.77 | 31.86 | 942,596 | -0.07(-0.22%) |
| Dec 22, 2010 | 31.96 | 32.06 | 31.84 | 31.93 | 1,031,482 | +0.04(+0.13%) |
| Dec 21, 2010 | 32.04 | 32.09 | 31.81 | 31.89 | 1,497,286 | -0.05(-0.16%) |
| Dec 20, 2010 | 32.07 | 32.14 | 31.73 | 31.94 | 1,326,761 | +0.06(+0.19%) |
| Dec 17, 2010 | 31.81 | 31.91 | 31.67 | 31.88 | 1,560,756 | +0.05(+0.16%) |
| Dec 16, 2010 | 31.39 | 31.83 | 31.28 | 31.83 | 785,486 | +0.47(+1.50%) |
| Dec 15, 2010 | 31.80 | 31.89 | 31.33 | 31.36 | 1,238,980 | -0.45(-1.41%) |
| Dec 14, 2010 | 31.71 | 31.97 | 31.66 | 31.81 | 1,040,560 | +0.21(+0.66%) |
| Dec 13, 2010 | 31.79 | 31.92 | 31.55 | 31.60 | 1,064,308 | -0.07(-0.22%) |
| Dec 10, 2010 | 31.54 | 31.67 | 31.44 | 31.67 | 856,500 | +0.23(+0.73%) |
| Dec 09, 2010 | 31.45 | 31.47 | 31.14 | 31.44 | 1,057,343 | +0.24(+0.77%) |
| Dec 08, 2010 | 31.43 | 31.49 | 31.10 | 31.20 | 765,010 | -0.13(-0.41%) |
| Dec 07, 2010 | 31.75 | 31.77 | 31.24 | 31.33 | 1,026,381 | -0.19(-0.60%) |
| Dec 06, 2010 | 31.55 | 31.68 | 31.46 | 31.52 | 777,256 | -0.12(-0.38%) |
| Dec 03, 2010 | 31.73 | 31.84 | 31.43 | 31.64 | 1,499,717 | -0.16(-0.50%) |
| Dec 02, 2010 | 31.67 | 31.83 | 31.53 | 31.80 | 1,377,391 | +0.21(+0.66%) |