| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2012 | 16.37 | 16.45 | 16.28 | 16.37 | 7,286,332 | -0.07(-0.43%) |
| Apr 27, 2012 | 16.61 | 16.61 | 16.35 | 16.44 | 10,173,125 | -0.09(-0.54%) |
| Apr 26, 2012 | 16.32 | 16.57 | 16.28 | 16.53 | 10,240,119 | +0.11(+0.67%) |
| Apr 25, 2012 | 16.31 | 16.45 | 16.23 | 16.42 | 13,919,779 | +0.24(+1.48%) |
| Apr 24, 2012 | 16.16 | 16.22 | 16.06 | 16.18 | 14,084,129 | +0.08(+0.50%) |
| Apr 23, 2012 | 16.07 | 16.17 | 15.92 | 16.10 | 13,823,701 | -0.06(-0.37%) |
| Apr 20, 2012 | 16.22 | 16.34 | 16.00 | 16.16 | 14,546,810 | +0.00(+0.03%) |
| Apr 19, 2012 | 16.06 | 16.42 | 15.96 | 16.16 | 17,728,773 | -0.00(-0.03%) |
| Apr 18, 2012 | 16.24 | 16.32 | 16.13 | 16.16 | 10,797,674 | -0.22(-1.34%) |
| Apr 17, 2012 | 16.23 | 16.43 | 16.14 | 16.38 | 15,148,373 | +0.25(+1.55%) |
| Apr 16, 2012 | 16.20 | 16.27 | 16.00 | 16.13 | 14,338,056 | +0.02(+0.12%) |
| Apr 13, 2012 | 16.17 | 16.34 | 16.05 | 16.11 | 14,642,142 | -0.15(-0.95%) |
| Apr 12, 2012 | 16.25 | 16.32 | 16.12 | 16.26 | 15,208,696 | +0.01(+0.06%) |
| Apr 11, 2012 | 16.36 | 16.42 | 16.19 | 16.25 | 12,610,205 | +0.00(+0.03%) |
| Apr 10, 2012 | 16.52 | 16.70 | 16.16 | 16.25 | 29,207,203 | +0.03(+0.18%) |
| Apr 09, 2012 | 16.25 | 16.32 | 16.11 | 16.22 | 11,679,372 | -0.27(-1.64%) |
| Apr 05, 2012 | 16.33 | 16.58 | 16.33 | 16.49 | 11,782,727 | +0.03(+0.18%) |
| Apr 04, 2012 | 16.48 | 16.51 | 16.32 | 16.46 | 15,106,746 | -0.15(-0.90%) |
| Apr 03, 2012 | 16.59 | 16.77 | 16.44 | 16.61 | 20,315,809 | -0.16(-0.95%) |
| Apr 02, 2012 | 16.52 | 16.85 | 16.51 | 16.77 | 13,365,978 | +0.18(+1.05%) |
| Mar 30, 2012 | 16.68 | 16.78 | 16.57 | 16.59 | 19,722,431 | -0.01(-0.03%) |
| Mar 29, 2012 | 16.54 | 16.61 | 16.34 | 16.60 | 14,268,503 | +0.09(+0.51%) |
| Mar 28, 2012 | 16.63 | 16.76 | 16.32 | 16.51 | 24,309,721 | -0.15(-0.87%) |
| Mar 27, 2012 | 16.72 | 16.75 | 16.60 | 16.66 | 17,939,449 | -0.04(-0.24%) |
| Mar 26, 2012 | 16.64 | 16.74 | 16.46 | 16.70 | 18,131,803 | +0.23(+1.37%) |
| Mar 23, 2012 | 16.82 | 16.84 | 16.40 | 16.48 | 27,710,403 | -0.54(-3.20%) |
| Mar 22, 2012 | 17.12 | 17.15 | 16.97 | 17.02 | 15,352,046 | -0.20(-1.16%) |
| Mar 21, 2012 | 17.18 | 17.27 | 17.03 | 17.22 | 12,651,437 | +0.06(+0.35%) |
| Mar 20, 2012 | 17.25 | 17.30 | 17.12 | 17.16 | 9,210,607 | -0.21(-1.21%) |
| Mar 19, 2012 | 17.28 | 17.46 | 17.21 | 17.37 | 10,739,451 | +0.07(+0.40%) |
| Mar 16, 2012 | 17.34 | 17.38 | 17.11 | 17.30 | 22,590,600 | -0.05(-0.29%) |
| Mar 15, 2012 | 17.33 | 17.42 | 17.23 | 17.35 | 12,768,510 | -0.07(-0.40%) |
| Mar 14, 2012 | 17.22 | 17.45 | 17.18 | 17.42 | 19,732,244 | +0.19(+1.10%) |
| Mar 13, 2012 | 17.08 | 17.29 | 16.98 | 17.23 | 15,125,132 | +0.27(+1.59%) |
| Mar 12, 2012 | 16.86 | 17.01 | 16.75 | 16.96 | 13,693,820 | +0.03(+0.18%) |
| Mar 09, 2012 | 17.21 | 17.26 | 16.85 | 16.93 | 17,857,652 | -0.28(-1.63%) |
| Mar 08, 2012 | 17.10 | 17.31 | 17.06 | 17.21 | 13,369,283 | +0.21(+1.24%) |
| Mar 07, 2012 | 16.85 | 17.04 | 16.82 | 17.00 | 15,628,091 | +0.19(+1.13%) |
| Mar 06, 2012 | 16.91 | 17.04 | 16.63 | 16.81 | 18,390,598 | -0.30(-1.75%) |
| Mar 05, 2012 | 17.29 | 17.46 | 17.01 | 17.11 | 14,544,588 | -0.25(-1.44%) |
| Mar 02, 2012 | 17.30 | 17.49 | 17.24 | 17.36 | 13,265,020 | -0.02(-0.12%) |
| Mar 01, 2012 | 17.43 | 17.48 | 17.31 | 17.38 | 14,238,625 | +0.08(+0.46%) |
| Feb 29, 2012 | 17.57 | 17.70 | 17.27 | 17.30 | 19,063,578 | -0.28(-1.59%) |
| Feb 28, 2012 | 17.50 | 17.66 | 17.39 | 17.58 | 16,858,783 | +0.06(+0.34%) |
| Feb 27, 2012 | 17.32 | 17.67 | 17.18 | 17.52 | 20,934,073 | +0.09(+0.52%) |
| Feb 24, 2012 | 17.47 | 17.64 | 17.37 | 17.43 | 17,539,854 | +0.03(+0.17%) |
| Feb 23, 2012 | 17.08 | 17.56 | 17.05 | 17.40 | 26,790,668 | +0.25(+1.46%) |
| Feb 22, 2012 | 16.98 | 17.30 | 16.86 | 17.15 | 51,439,977 | -1.06(-5.82%) |
| Feb 21, 2012 | 18.20 | 18.36 | 18.05 | 18.21 | 31,528,001 | +0.05(+0.28%) |
| Feb 17, 2012 | 18.14 | 18.24 | 17.92 | 18.16 | 32,178,340 | -0.16(-0.87%) |
| Feb 16, 2012 | 17.89 | 18.33 | 17.89 | 18.32 | 21,441,944 | +0.33(+1.83%) |
| Feb 15, 2012 | 17.76 | 18.19 | 17.71 | 17.99 | 24,736,548 | -0.05(-0.28%) |
| Feb 14, 2012 | 18.03 | 18.14 | 17.83 | 18.04 | 13,558,076 | +0.06(+0.33%) |
| Feb 13, 2012 | 17.93 | 18.12 | 17.84 | 17.98 | 11,746,085 | +0.23(+1.30%) |
| Feb 10, 2012 | 17.84 | 17.97 | 17.72 | 17.75 | 16,158,282 | -0.31(-1.72%) |
| Feb 09, 2012 | 18.09 | 18.20 | 17.91 | 18.06 | 14,594,663 | +0.01(+0.06%) |
| Feb 08, 2012 | 17.75 | 18.12 | 17.74 | 18.05 | 17,556,813 | +0.22(+1.23%) |
| Feb 07, 2012 | 17.63 | 17.92 | 17.60 | 17.83 | 16,085,532 | +0.18(+1.02%) |
| Feb 06, 2012 | 17.66 | 17.77 | 17.61 | 17.65 | 14,870,199 | -0.01(-0.06%) |
| Feb 03, 2012 | 17.78 | 17.84 | 17.59 | 17.66 | 25,803,229 | +0.06(+0.34%) |
| Feb 02, 2012 | 17.65 | 17.88 | 17.54 | 17.60 | 29,290,896 | +0.20(+1.15%) |