Historical Prices
| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2012 | 19.25 | 19.27 | 19.21 | 19.21 | 665,367 | -0.02(-0.10%) |
| Apr 27, 2012 | 19.17 | 19.23 | 19.14 | 19.23 | 1,028,917 | +0.02(+0.10%) |
| Apr 26, 2012 | 19.29 | 19.31 | 19.18 | 19.21 | 898,193 | -0.08(-0.41%) |
| Apr 25, 2012 | 19.27 | 19.42 | 19.24 | 19.29 | 1,786,348 | -0.08(-0.41%) |
| Apr 24, 2012 | 19.37 | 19.39 | 19.28 | 19.37 | 1,085,935 | -0.11(-0.56%) |
| Apr 23, 2012 | 19.52 | 19.61 | 19.46 | 19.48 | 1,429,034 | +0.17(+0.88%) |
| Apr 20, 2012 | 19.38 | 19.39 | 19.26 | 19.31 | 1,626,393 | -0.22(-1.13%) |
| Apr 19, 2012 | 19.63 | 19.65 | 19.48 | 19.53 | 1,080,411 | -0.05(-0.26%) |
| Apr 18, 2012 | 19.73 | 19.74 | 19.53 | 19.58 | 2,095,207 | +0.04(+0.20%) |
| Apr 17, 2012 | 19.54 | 19.62 | 19.47 | 19.54 | 1,285,609 | +0.01(+0.05%) |
| Apr 16, 2012 | 19.80 | 19.86 | 19.49 | 19.53 | 2,530,878 | -0.18(-0.91%) |
| Apr 13, 2012 | 19.55 | 19.73 | 19.55 | 19.71 | 2,059,230 | +0.32(+1.65%) |
| Apr 12, 2012 | 19.49 | 19.49 | 19.30 | 19.39 | 1,862,838 | -0.24(-1.22%) |
| Apr 11, 2012 | 19.52 | 19.67 | 19.49 | 19.63 | 2,132,809 | -0.07(-0.36%) |
| Apr 10, 2012 | 19.68 | 19.79 | 19.61 | 19.70 | 2,568,395 | +0.09(+0.46%) |
| Apr 09, 2012 | 19.80 | 19.80 | 19.55 | 19.61 | 1,049,699 | -0.16(-0.81%) |
| Apr 05, 2012 | 19.81 | 19.82 | 19.73 | 19.77 | 1,062,892 | +0.22(+1.13%) |
| Apr 04, 2012 | 19.57 | 19.61 | 19.51 | 19.55 | 1,785,142 | +0.29(+1.51%) |
| Apr 03, 2012 | 19.01 | 19.33 | 18.94 | 19.26 | 1,932,158 | +0.28(+1.48%) |
| Apr 02, 2012 | 19.12 | 19.13 | 18.96 | 18.98 | 920,435 | +0.01(+0.05%) |
| Mar 30, 2012 | 18.94 | 19.05 | 18.91 | 18.97 | 1,207,764 | -0.13(-0.68%) |
| Mar 29, 2012 | 19.17 | 19.20 | 19.08 | 19.10 | 1,069,206 | +0.08(+0.42%) |
| Mar 28, 2012 | 19.01 | 19.15 | 18.98 | 19.02 | 1,441,683 | -0.01(-0.05%) |
| Mar 27, 2012 | 18.98 | 19.03 | 18.94 | 19.03 | 1,043,615 | +0.13(+0.69%) |
| Mar 26, 2012 | 19.05 | 19.05 | 18.88 | 18.90 | 2,415,177 | -0.28(-1.46%) |
| Mar 23, 2012 | 19.27 | 19.31 | 19.12 | 19.18 | 2,098,864 | -0.24(-1.24%) |
| Mar 22, 2012 | 19.54 | 19.54 | 19.37 | 19.42 | 1,966,257 | +0.08(+0.41%) |
| Mar 21, 2012 | 19.28 | 19.44 | 19.21 | 19.34 | 1,674,554 | +0.04(+0.21%) |
| Mar 20, 2012 | 19.38 | 19.41 | 19.22 | 19.30 | 1,426,501 | +0.05(+0.26%) |
| Mar 19, 2012 | 19.51 | 19.53 | 19.18 | 19.25 | 3,190,254 | -0.23(-1.18%) |
| Mar 16, 2012 | 19.60 | 19.61 | 19.41 | 19.48 | 2,829,060 | -0.24(-1.22%) |
| Mar 15, 2012 | 19.81 | 19.85 | 19.62 | 19.72 | 1,813,656 | -0.18(-0.90%) |
| Mar 14, 2012 | 19.82 | 19.95 | 19.78 | 19.90 | 2,424,996 | +0.13(+0.66%) |
| Mar 13, 2012 | 19.79 | 19.81 | 19.61 | 19.77 | 3,048,972 | +0.23(+1.18%) |
| Mar 12, 2012 | 19.61 | 19.67 | 19.51 | 19.54 | 1,306,306 | -0.10(-0.51%) |
| Mar 09, 2012 | 19.59 | 19.70 | 19.56 | 19.64 | 2,410,878 | +0.44(+2.29%) |
| Mar 08, 2012 | 19.32 | 19.32 | 19.12 | 19.20 | 1,958,453 | -0.36(-1.84%) |
| Mar 07, 2012 | 19.66 | 19.71 | 19.51 | 19.56 | 1,621,848 | -0.11(-0.56%) |
| Mar 06, 2012 | 19.63 | 19.70 | 19.60 | 19.67 | 2,374,377 | +0.31(+1.60%) |
| Mar 05, 2012 | 19.33 | 19.40 | 19.29 | 19.36 | 1,343,311 | -0.03(-0.15%) |
| Mar 02, 2012 | 19.34 | 19.45 | 19.34 | 19.39 | 2,238,840 | +0.27(+1.41%) |
| Mar 01, 2012 | 19.12 | 19.14 | 19.02 | 19.12 | 1,573,753 | +0.04(+0.21%) |
| Feb 29, 2012 | 18.71 | 19.09 | 18.66 | 19.08 | 3,812,947 | +0.41(+2.20%) |
| Feb 28, 2012 | 18.75 | 18.88 | 18.64 | 18.67 | 2,166,040 | -0.19(-1.01%) |
| Feb 27, 2012 | 18.93 | 18.95 | 18.80 | 18.86 | 2,334,469 | +0.18(+0.96%) |
| Feb 24, 2012 | 18.80 | 18.80 | 18.61 | 18.68 | 3,037,589 | -0.25(-1.32%) |
| Feb 23, 2012 | 19.17 | 19.23 | 18.93 | 18.93 | 3,269,184 | -0.38(-1.97%) |
| Feb 22, 2012 | 19.34 | 19.40 | 19.24 | 19.31 | 1,349,397 | +0.00(+0.00%) |
| Feb 21, 2012 | 19.31 | 19.38 | 19.21 | 19.31 | 2,063,127 | -0.25(-1.28%) |
| Feb 17, 2012 | 19.46 | 19.62 | 19.45 | 19.56 | 1,654,103 | -0.06(-0.31%) |
| Feb 16, 2012 | 19.99 | 20.01 | 19.57 | 19.62 | 5,635,781 | -0.21(-1.06%) |
| Feb 15, 2012 | 19.73 | 19.91 | 19.72 | 19.83 | 2,853,410 | +0.15(+0.76%) |
| Feb 14, 2012 | 19.55 | 19.80 | 19.51 | 19.68 | 2,059,918 | +0.21(+1.08%) |
| Feb 13, 2012 | 19.31 | 19.49 | 19.31 | 19.47 | 1,847,753 | -0.08(-0.41%) |
| Feb 10, 2012 | 19.51 | 19.56 | 19.47 | 19.55 | 2,120,093 | +0.35(+1.82%) |
| Feb 09, 2012 | 19.15 | 19.25 | 19.10 | 19.20 | 3,099,230 | -0.08(-0.41%) |
| Feb 08, 2012 | 19.32 | 19.39 | 19.21 | 19.28 | 3,562,414 | -0.04(-0.21%) |
| Feb 07, 2012 | 19.51 | 19.53 | 19.25 | 19.32 | 3,185,919 | -0.34(-1.73%) |
| Feb 06, 2012 | 19.89 | 19.91 | 19.63 | 19.66 | 3,056,675 | +0.04(+0.20%) |
| Feb 03, 2012 | 19.80 | 19.82 | 19.55 | 19.62 | 3,333,337 | +0.00(+0.00%) |
| Feb 02, 2012 | 19.64 | 19.68 | 19.50 | 19.62 | 1,996,801 | +0.02(+0.10%) |
