| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Dec 31, 2012 | 20.87 | 20.87 | 20.87 | 0 | -0.04(-0.19%) | |
| Dec 28, 2012 | 20.82 | 21.05 | 20.82 | 20.91 | 79,484 | -0.09(-0.43%) |
| Dec 27, 2012 | 20.90 | 21.15 | 20.79 | 21.00 | 30,927 | +0.10(+0.48%) |
| Dec 24, 2012 | 20.90 | 20.90 | 20.90 | 0 | -0.02(-0.10%) | |
| Dec 21, 2012 | 20.71 | 21.21 | 20.71 | 20.92 | 74,471 | +0.11(+0.53%) |
| Dec 20, 2012 | 21.25 | 21.25 | 20.67 | 20.81 | 120,362 | -0.57(-2.67%) |
| Dec 19, 2012 | 21.49 | 21.58 | 21.29 | 21.38 | 43,970 | -0.16(-0.74%) |
| Dec 18, 2012 | 22.08 | 22.08 | 21.49 | 21.54 | 201,773 | -0.33(-1.51%) |
| Dec 17, 2012 | 21.80 | 21.89 | 21.80 | 21.87 | 60,272 | -0.01(-0.05%) |
| Dec 14, 2012 | 22.00 | 22.04 | 21.88 | 21.88 | 44,298 | -0.09(-0.41%) |
| Dec 13, 2012 | 22.00 | 22.08 | 21.91 | 21.97 | 60,286 | -0.48(-2.14%) |
| Dec 12, 2012 | 22.48 | 22.62 | 22.25 | 22.45 | 70,872 | +0.24(+1.08%) |
| Dec 11, 2012 | 22.34 | 22.34 | 22.14 | 22.21 | 32,894 | -0.13(-0.58%) |
| Dec 10, 2012 | 22.62 | 22.64 | 22.33 | 22.34 | 38,685 | -0.28(-1.24%) |
| Dec 07, 2012 | 22.36 | 22.63 | 22.26 | 22.62 | 55,177 | +0.37(+1.66%) |
| Dec 06, 2012 | 22.11 | 22.41 | 22.11 | 22.25 | 40,845 | +0.07(+0.32%) |
| Dec 05, 2012 | 22.78 | 22.78 | 22.18 | 22.18 | 75,288 | -0.30(-1.33%) |
| Dec 04, 2012 | 22.60 | 22.60 | 22.34 | 22.48 | 68,047 | -0.29(-1.27%) |
| Nov 30, 2012 | 23.01 | 23.11 | 22.67 | 22.77 | 44,743 | -0.32(-1.39%) |
| Nov 29, 2012 | 23.15 | 23.35 | 23.05 | 23.09 | 65,015 | +0.19(+0.83%) |
| Nov 28, 2012 | 22.72 | 22.95 | 22.54 | 22.90 | 44,239 | -0.25(-1.08%) |
| Nov 27, 2012 | 23.11 | 23.15 | 22.91 | 23.15 | 33,524 | +0.03(+0.13%) |
| Nov 26, 2012 | 23.18 | 23.27 | 23.08 | 23.12 | 53,884 | -0.13(-0.56%) |
| Nov 24, 2012 | 22.91 | 23.31 | 22.86 | 23.25 | 58,554 | +0.00(+0.00%) |
| Nov 23, 2012 | 22.91 | 23.31 | 22.86 | 23.25 | 58,554 | +0.61(+2.69%) |
| Nov 22, 2012 | 23.00 | 23.00 | 22.61 | 22.64 | 11,508 | -0.21(-0.92%) |
| Nov 21, 2012 | 22.70 | 22.87 | 22.61 | 22.85 | 21,539 | +0.18(+0.79%) |
| Nov 20, 2012 | 22.70 | 22.79 | 22.58 | 22.67 | 42,643 | -0.11(-0.48%) |
| Nov 19, 2012 | 22.75 | 22.87 | 22.63 | 22.78 | 39,413 | +0.41(+1.83%) |
| Nov 16, 2012 | 22.36 | 22.40 | 22.25 | 22.37 | 42,694 | +0.02(+0.09%) |
| Nov 15, 2012 | 22.69 | 22.70 | 22.32 | 22.35 | 58,274 | -0.36(-1.59%) |
| Nov 14, 2012 | 22.74 | 22.84 | 22.62 | 22.71 | 40,260 | +0.05(+0.22%) |
| Nov 13, 2012 | 22.70 | 22.92 | 22.56 | 22.66 | 26,466 | -0.04(-0.18%) |
| Nov 12, 2012 | 22.95 | 22.95 | 22.68 | 22.70 | 47,076 | -0.06(-0.26%) |
| Nov 09, 2012 | 23.03 | 23.06 | 22.76 | 22.76 | 45,835 | -0.11(-0.48%) |
| Nov 08, 2012 | 22.42 | 22.98 | 22.40 | 22.87 | 82,558 | +0.53(+2.37%) |
| Nov 07, 2012 | 22.19 | 22.44 | 22.04 | 22.34 | 73,136 | +0.24(+1.09%) |
| Nov 06, 2012 | 21.93 | 22.27 | 21.79 | 22.10 | 50,269 | +0.25(+1.14%) |
| Nov 05, 2012 | 21.83 | 21.87 | 21.63 | 21.85 | 44,811 | +0.24(+1.11%) |
| Nov 02, 2012 | 21.73 | 21.76 | 21.35 | 21.61 | 139,736 | -0.32(-1.46%) |
| Nov 01, 2012 | 22.18 | 22.22 | 21.91 | 21.93 | 44,569 | -0.17(-0.77%) |
| Oct 31, 2012 | 22.30 | 22.30 | 22.05 | 22.10 | 79,371 | +0.10(+0.45%) |
| Oct 30, 2012 | 22.10 | 22.15 | 21.80 | 22.00 | 31,144 | -0.07(-0.32%) |
| Oct 29, 2012 | 22.13 | 22.15 | 21.89 | 22.07 | 27,497 | -0.08(-0.36%) |
| Oct 26, 2012 | 22.19 | 22.28 | 22.11 | 22.15 | 36,901 | -0.02(-0.09%) |
| Oct 25, 2012 | 21.95 | 22.21 | 21.95 | 22.17 | 99,451 | +0.37(+1.70%) |
| Oct 24, 2012 | 21.94 | 21.94 | 21.74 | 21.80 | 32,914 | -0.01(-0.05%) |
| Oct 23, 2012 | 21.98 | 22.08 | 21.80 | 21.81 | 78,573 | -0.29(-1.31%) |
| Oct 19, 2012 | 22.10 | 22.22 | 21.99 | 22.10 | 58,065 | -0.01(-0.05%) |
| Oct 18, 2012 | 22.25 | 22.33 | 22.11 | 22.11 | 40,302 | -0.17(-0.76%) |
| Oct 17, 2012 | 22.56 | 22.56 | 22.27 | 22.28 | 87,314 | -0.20(-0.89%) |
| Oct 16, 2012 | 22.48 | 22.55 | 22.46 | 22.48 | 33,675 | +0.27(+1.22%) |
| Oct 15, 2012 | 22.40 | 22.40 | 22.13 | 22.21 | 82,106 | -0.36(-1.60%) |
| Oct 12, 2012 | 22.95 | 22.95 | 22.47 | 22.57 | 68,350 | -0.34(-1.48%) |
| Oct 11, 2012 | 23.07 | 23.13 | 22.90 | 22.91 | 25,295 | -0.09(-0.39%) |
| Oct 10, 2012 | 23.00 | 23.08 | 22.89 | 23.00 | 29,239 | +0.03(+0.13%) |
| Oct 09, 2012 | 23.19 | 23.20 | 22.96 | 22.97 | 67,867 | -0.40(-1.71%) |
| Oct 05, 2012 | 23.37 | 23.37 | 23.37 | 0 | -0.17(-0.72%) | |
| Oct 04, 2012 | 23.67 | 23.67 | 23.45 | 23.54 | 46,521 | -0.08(-0.34%) |
| Oct 03, 2012 | 23.57 | 23.70 | 23.54 | 23.62 | 58,527 | +0.09(+0.38%) |
| Oct 02, 2012 | 23.63 | 23.65 | 23.48 | 23.53 | 39,644 | -0.04(-0.17%) |