| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 22, 2013 | 22.05 | 22.05 | 21.76 | 21.76 | 14,944 | -0.13(-0.59%) |
| May 21, 2013 | 21.80 | 21.91 | 21.71 | 21.89 | 9,927 | +0.05(+0.23%) |
| May 20, 2013 | 21.73 | 21.85 | 21.73 | 21.84 | 38,915 | +0.08(+0.37%) |
| May 17, 2013 | 21.85 | 21.85 | 21.70 | 21.76 | 9,304 | -0.03(-0.14%) |
| May 16, 2013 | 21.77 | 21.80 | 21.75 | 21.79 | 10,760 | +0.08(+0.36%) |
| May 15, 2013 | 21.68 | 21.72 | 21.57 | 21.71 | 4,437 | +0.16(+0.75%) |
| May 13, 2013 | 21.46 | 21.66 | 21.46 | 21.55 | 19,972 | -0.16(-0.74%) |
| May 10, 2013 | 22.00 | 22.00 | 21.71 | 21.71 | 4,545 | -0.23(-1.05%) |
| May 09, 2013 | 22.16 | 22.16 | 21.87 | 21.94 | 8,648 | -0.06(-0.27%) |
| May 08, 2013 | 21.73 | 22.08 | 21.73 | 22.00 | 20,899 | +0.35(+1.62%) |
| May 07, 2013 | 21.88 | 22.00 | 21.65 | 21.65 | 21,462 | -0.03(-0.14%) |
| May 06, 2013 | 21.64 | 21.77 | 21.51 | 21.68 | 9,577 | +0.04(+0.18%) |
| May 03, 2013 | 21.49 | 21.64 | 21.49 | 21.64 | 3,095 | +0.15(+0.69%) |
| May 02, 2013 | 21.44 | 21.55 | 21.42 | 21.49 | 17,839 | +0.25(+1.19%) |
| May 01, 2013 | 21.37 | 21.46 | 21.24 | 21.24 | 6,074 | -0.31(-1.44%) |
| Apr 30, 2013 | 21.48 | 22.10 | 21.36 | 21.55 | 15,643 | +0.21(+0.98%) |
| Apr 29, 2013 | 21.38 | 21.42 | 21.25 | 21.34 | 2,574 | +0.20(+0.95%) |
| Apr 26, 2013 | 21.05 | 21.14 | 20.88 | 21.14 | 7,822 | -0.16(-0.75%) |
| Apr 25, 2013 | 20.96 | 21.32 | 20.96 | 21.30 | 14,359 | +0.34(+1.62%) |
| Apr 24, 2013 | 20.83 | 20.98 | 20.76 | 20.96 | 6,218 | +0.22(+1.06%) |
| Apr 23, 2013 | 21.31 | 21.31 | 20.74 | 20.74 | 10,460 | +0.02(+0.10%) |
| Apr 22, 2013 | 20.96 | 21.68 | 20.34 | 20.72 | 8,342 | -0.05(-0.24%) |
| Apr 19, 2013 | 20.92 | 20.92 | 20.73 | 20.77 | 1,541 | +0.01(+0.05%) |
| Apr 18, 2013 | 20.77 | 20.93 | 20.75 | 20.76 | 3,745 | +0.01(+0.05%) |
| Apr 17, 2013 | 21.00 | 21.79 | 20.71 | 20.75 | 13,279 | -0.17(-0.83%) |
| Apr 16, 2013 | 21.51 | 21.51 | 20.58 | 20.92 | 1,921 | +0.26(+1.28%) |
| Apr 15, 2013 | 20.76 | 20.78 | 20.54 | 20.66 | 2,697 | -0.10(-0.49%) |
| Apr 12, 2013 | 20.98 | 20.98 | 20.51 | 20.76 | 5,609 | -0.15(-0.71%) |
| Apr 11, 2013 | 21.04 | 21.43 | 20.84 | 20.91 | 38,686 | -0.24(-1.13%) |
| Apr 10, 2013 | 21.27 | 21.31 | 21.12 | 21.15 | 20,336 | +0.26(+1.25%) |
| Apr 09, 2013 | 20.75 | 20.89 | 20.45 | 20.89 | 2,191 | +0.16(+0.77%) |
| Apr 08, 2013 | 20.32 | 20.75 | 20.32 | 20.73 | 11,773 | +0.15(+0.71%) |
| Apr 05, 2013 | 20.50 | 20.71 | 20.34 | 20.58 | 7,470 | -0.03(-0.14%) |
| Apr 04, 2013 | 20.57 | 20.66 | 20.49 | 20.61 | 3,703 | -0.00(-0.02%) |
| Apr 03, 2013 | 20.76 | 20.76 | 20.39 | 20.62 | 9,897 | -0.13(-0.65%) |
| Apr 02, 2013 | 20.76 | 20.95 | 19.89 | 20.75 | 7,735 | +0.02(+0.10%) |
| Apr 01, 2013 | 20.83 | 20.86 | 20.73 | 20.73 | 5,600 | -0.35(-1.66%) |
| Mar 28, 2013 | 20.98 | 21.08 | 20.87 | 21.08 | 5,849 | +0.16(+0.74%) |
| Mar 27, 2013 | 20.85 | 20.99 | 20.48 | 20.92 | 10,473 | +0.11(+0.55%) |
| Mar 26, 2013 | 20.54 | 20.90 | 20.54 | 20.81 | 7,067 | +0.12(+0.58%) |
| Mar 25, 2013 | 20.73 | 20.91 | 20.66 | 20.69 | 1,905 | -0.15(-0.72%) |
| Mar 22, 2013 | 20.56 | 20.90 | 20.52 | 20.84 | 1,590 | +0.06(+0.29%) |
| Mar 21, 2013 | 20.72 | 20.78 | 20.69 | 20.78 | 3,624 | -0.18(-0.86%) |
| Mar 20, 2013 | 21.43 | 21.43 | 20.74 | 20.96 | 3,190 | +0.03(+0.15%) |
| Mar 19, 2013 | 20.90 | 20.93 | 20.70 | 20.93 | 3,708 | -0.09(-0.43%) |
| Mar 18, 2013 | 21.15 | 21.15 | 20.16 | 21.02 | 8,162 | -0.07(-0.33%) |
| Mar 15, 2013 | 21.50 | 21.50 | 19.50 | 21.09 | 3,415 | -0.37(-1.72%) |
| Mar 14, 2013 | 21.36 | 21.52 | 21.36 | 21.46 | 4,480 | +0.06(+0.28%) |
| Mar 13, 2013 | 21.99 | 21.99 | 21.40 | 21.40 | 40,334 | -0.28(-1.29%) |
| Mar 12, 2013 | 21.87 | 22.33 | 21.65 | 21.68 | 9,447 | +0.05(+0.23%) |
| Mar 11, 2013 | 21.63 | 21.65 | 21.34 | 21.63 | 6,997 | +0.07(+0.32%) |
| Mar 08, 2013 | 21.55 | 21.57 | 21.47 | 21.56 | 12,738 | +0.07(+0.33%) |
| Mar 07, 2013 | 21.33 | 21.49 | 21.33 | 21.49 | 2,433 | +0.07(+0.32%) |
| Mar 06, 2013 | 21.36 | 21.44 | 21.30 | 21.42 | 15,617 | +0.03(+0.14%) |
| Mar 05, 2013 | 21.39 | 21.40 | 21.31 | 21.39 | 23,484 | +0.19(+0.90%) |
| Mar 04, 2013 | 21.43 | 21.43 | 21.11 | 21.20 | 13,159 | -0.39(-1.81%) |