| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2011 | 19.49 | 19.92 | 19.25 | 19.87 | 3,528,169 | +0.58(+3.01%) |
| Feb 25, 2011 | 19.06 | 19.42 | 18.95 | 19.29 | 2,078,289 | +0.26(+1.37%) |
| Feb 24, 2011 | 18.95 | 19.38 | 18.75 | 19.03 | 3,048,725 | +0.10(+0.53%) |
| Feb 23, 2011 | 19.01 | 19.27 | 18.68 | 18.93 | 4,051,215 | -0.12(-0.63%) |
| Feb 22, 2011 | 19.11 | 19.52 | 18.88 | 19.05 | 2,963,878 | -0.30(-1.55%) |
| Feb 18, 2011 | 19.37 | 19.47 | 19.17 | 19.35 | 1,428,593 | +0.04(+0.21%) |
| Feb 17, 2011 | 18.87 | 19.71 | 18.71 | 19.31 | 4,132,333 | +0.46(+2.44%) |
| Feb 16, 2011 | 18.55 | 18.95 | 18.53 | 18.85 | 2,182,691 | +0.45(+2.45%) |
| Feb 15, 2011 | 18.34 | 18.52 | 18.14 | 18.40 | 1,619,956 | -0.02(-0.11%) |
| Feb 14, 2011 | 18.66 | 18.70 | 18.22 | 18.42 | 2,393,967 | -0.17(-0.91%) |
| Feb 11, 2011 | 18.43 | 18.59 | 18.17 | 18.59 | 1,979,189 | +0.02(+0.11%) |
| Feb 10, 2011 | 18.44 | 18.64 | 18.19 | 18.57 | 1,540,410 | +0.07(+0.38%) |
| Feb 09, 2011 | 18.48 | 18.65 | 18.20 | 18.50 | 2,285,649 | -0.12(-0.64%) |
| Feb 08, 2011 | 18.40 | 18.65 | 18.19 | 18.62 | 1,922,322 | +0.19(+1.03%) |
| Feb 07, 2011 | 18.34 | 18.75 | 18.27 | 18.43 | 2,021,163 | +0.09(+0.49%) |
| Feb 04, 2011 | 17.78 | 18.45 | 17.78 | 18.34 | 2,044,846 | +0.58(+3.27%) |
| Feb 03, 2011 | 17.52 | 18.05 | 17.50 | 17.76 | 2,819,897 | +0.27(+1.54%) |
| Feb 02, 2011 | 17.98 | 18.00 | 17.21 | 17.49 | 2,849,528 | -0.52(-2.89%) |
| Feb 01, 2011 | 17.99 | 18.33 | 17.84 | 18.01 | 1,639,790 | +0.15(+0.84%) |
| Jan 31, 2011 | 17.84 | 18.02 | 17.51 | 17.86 | 3,064,711 | +0.09(+0.51%) |
| Jan 28, 2011 | 18.20 | 18.31 | 17.71 | 17.77 | 2,527,388 | -0.38(-2.09%) |
| Jan 27, 2011 | 17.56 | 18.31 | 17.54 | 18.15 | 4,223,579 | +0.72(+4.13%) |
| Jan 26, 2011 | 18.33 | 18.40 | 17.29 | 17.43 | 6,453,185 | -0.79(-4.34%) |
| Jan 25, 2011 | 18.34 | 18.46 | 17.99 | 18.22 | 1,761,826 | -0.14(-0.76%) |
| Jan 24, 2011 | 18.18 | 18.59 | 18.08 | 18.36 | 1,432,328 | +0.22(+1.21%) |
| Jan 21, 2011 | 18.40 | 18.44 | 18.14 | 18.14 | 4,794,701 | -0.16(-0.87%) |
| Jan 20, 2011 | 18.24 | 18.69 | 18.20 | 18.30 | 2,249,683 | -0.04(-0.22%) |
| Jan 19, 2011 | 18.49 | 18.87 | 18.24 | 18.34 | 2,352,192 | -0.18(-0.97%) |
| Jan 18, 2011 | 18.51 | 18.62 | 18.14 | 18.52 | 2,285,729 | -0.01(-0.05%) |
| Jan 14, 2011 | 18.52 | 18.55 | 18.26 | 18.53 | 1,098,872 | +0.01(+0.05%) |
| Jan 13, 2011 | 18.74 | 18.74 | 18.38 | 18.52 | 1,850,155 | -0.17(-0.91%) |
| Jan 12, 2011 | 18.88 | 19.09 | 18.54 | 18.69 | 2,232,914 | -0.22(-1.16%) |
| Jan 11, 2011 | 19.31 | 19.36 | 18.70 | 18.91 | 1,648,144 | -0.39(-2.02%) |
| Jan 10, 2011 | 19.01 | 19.34 | 18.76 | 19.30 | 1,877,132 | +0.22(+1.15%) |
| Jan 07, 2011 | 18.97 | 19.08 | 18.64 | 19.08 | 2,081,093 | +0.27(+1.44%) |
| Jan 06, 2011 | 19.16 | 19.16 | 18.62 | 18.81 | 2,299,559 | -0.29(-1.52%) |
| Jan 05, 2011 | 19.14 | 19.31 | 18.94 | 19.10 | 4,491,042 | -0.14(-0.73%) |
| Jan 04, 2011 | 19.80 | 19.92 | 19.13 | 19.24 | 1,828,831 | -0.51(-2.58%) |
| Jan 03, 2011 | 19.73 | 20.08 | 19.70 | 19.75 | 2,247,959 | +0.13(+0.66%) |
| Dec 31, 2010 | 19.71 | 19.92 | 19.59 | 19.62 | 1,321,586 | -0.15(-0.76%) |
| Dec 30, 2010 | 19.57 | 19.96 | 19.57 | 19.77 | 774,196 | +0.01(+0.05%) |
| Dec 29, 2010 | 19.49 | 19.90 | 19.47 | 19.76 | 1,355,161 | +0.34(+1.75%) |
| Dec 28, 2010 | 19.45 | 19.51 | 19.21 | 19.42 | 1,662,343 | +0.04(+0.21%) |
| Dec 27, 2010 | 19.48 | 19.50 | 19.13 | 19.38 | 1,261,616 | -0.21(-1.07%) |
| Dec 23, 2010 | 19.55 | 19.77 | 19.52 | 19.59 | 944,614 | +0.05(+0.26%) |
| Dec 22, 2010 | 19.90 | 19.95 | 19.33 | 19.54 | 2,995,240 | -0.27(-1.36%) |
| Dec 21, 2010 | 19.70 | 19.94 | 19.55 | 19.81 | 2,055,028 | +0.14(+0.71%) |
| Dec 20, 2010 | 19.72 | 19.81 | 19.48 | 19.67 | 2,119,508 | -0.05(-0.25%) |
| Dec 17, 2010 | 19.58 | 19.89 | 19.45 | 19.72 | 2,536,670 | +0.16(+0.82%) |
| Dec 16, 2010 | 19.13 | 19.59 | 18.99 | 19.56 | 1,836,677 | +0.51(+2.68%) |
| Dec 15, 2010 | 19.11 | 19.32 | 18.93 | 19.05 | 2,288,203 | -0.18(-0.94%) |
| Dec 14, 2010 | 18.94 | 19.39 | 18.87 | 19.23 | 2,658,183 | +0.30(+1.58%) |
| Dec 13, 2010 | 19.38 | 19.43 | 18.87 | 18.93 | 2,082,994 | -0.38(-1.97%) |
| Dec 10, 2010 | 19.23 | 19.45 | 19.18 | 19.31 | 1,814,132 | +0.10(+0.52%) |
| Dec 09, 2010 | 19.32 | 19.45 | 19.14 | 19.21 | 2,070,413 | -0.05(-0.26%) |
| Dec 08, 2010 | 19.23 | 19.45 | 19.05 | 19.26 | 2,148,934 | +0.08(+0.42%) |
| Dec 07, 2010 | 19.53 | 19.74 | 19.16 | 19.18 | 2,179,295 | -0.15(-0.78%) |
| Dec 06, 2010 | 19.59 | 19.59 | 19.17 | 19.33 | 5,139,870 | -0.31(-1.58%) |
| Dec 03, 2010 | 19.16 | 19.71 | 19.03 | 19.64 | 2,422,876 | +0.35(+1.81%) |
| Dec 02, 2010 | 19.12 | 19.32 | 18.87 | 19.29 | 2,227,540 | +0.09(+0.47%) |