| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 24.13 | 24.15 | 22.50 | 22.65 | 198,143 | -1.50(-6.21%) |
| Feb 28, 2012 | 23.90 | 24.28 | 23.86 | 24.15 | 98,704 | +0.49(+2.07%) |
| Feb 27, 2012 | 23.75 | 23.87 | 23.62 | 23.66 | 43,222 | -0.09(-0.38%) |
| Feb 24, 2012 | 23.76 | 23.89 | 23.66 | 23.75 | 57,589 | -0.01(-0.04%) |
| Feb 23, 2012 | 23.68 | 23.94 | 23.51 | 23.76 | 63,121 | +0.18(+0.76%) |
| Feb 22, 2012 | 23.17 | 23.58 | 23.16 | 23.58 | 67,983 | +0.40(+1.73%) |
| Feb 21, 2012 | 22.79 | 23.21 | 22.79 | 23.18 | 100,934 | +0.69(+3.07%) |
| Feb 17, 2012 | 22.49 | 22.49 | 22.49 | 0 | -0.17(-0.75%) | |
| Feb 16, 2012 | 22.41 | 22.66 | 22.31 | 22.66 | 51,565 | +0.09(+0.40%) |
| Feb 15, 2012 | 22.70 | 22.70 | 22.45 | 22.57 | 41,336 | +0.02(+0.09%) |
| Feb 14, 2012 | 22.66 | 22.75 | 22.47 | 22.55 | 26,504 | -0.14(-0.62%) |
| Feb 13, 2012 | 22.76 | 22.76 | 22.56 | 22.69 | 37,197 | +0.07(+0.31%) |
| Feb 10, 2012 | 22.70 | 22.77 | 22.57 | 22.62 | 79,136 | -0.18(-0.79%) |
| Feb 09, 2012 | 23.11 | 23.11 | 22.75 | 22.80 | 49,324 | -0.09(-0.39%) |
| Feb 08, 2012 | 23.13 | 23.17 | 22.76 | 22.89 | 32,432 | -0.20(-0.87%) |
| Feb 07, 2012 | 22.70 | 23.22 | 22.70 | 23.09 | 61,246 | +0.28(+1.23%) |
| Feb 06, 2012 | 22.84 | 22.87 | 22.72 | 22.81 | 38,850 | +0.01(+0.04%) |
| Feb 03, 2012 | 23.24 | 23.27 | 22.77 | 22.80 | 70,014 | -0.67(-2.85%) |
| Feb 02, 2012 | 23.08 | 23.50 | 23.00 | 23.47 | 59,861 | +0.48(+2.09%) |
| Feb 01, 2012 | 23.00 | 23.13 | 22.95 | 22.99 | 128,572 | +0.13(+0.57%) |
| Jan 31, 2012 | 23.25 | 23.25 | 22.82 | 22.86 | 95,418 | -0.15(-0.65%) |
| Jan 30, 2012 | 23.07 | 23.14 | 22.94 | 23.01 | 74,615 | -0.12(-0.52%) |
| Jan 27, 2012 | 22.75 | 23.15 | 22.74 | 23.13 | 75,184 | +0.49(+2.16%) |
| Jan 26, 2012 | 22.68 | 22.82 | 22.59 | 22.64 | 101,761 | +0.15(+0.67%) |
| Jan 25, 2012 | 21.77 | 22.49 | 21.67 | 22.49 | 117,099 | +0.63(+2.88%) |
| Jan 24, 2012 | 22.00 | 22.05 | 21.80 | 21.86 | 53,306 | -0.14(-0.64%) |
| Jan 23, 2012 | 21.95 | 22.28 | 21.95 | 22.00 | 62,894 | -0.05(-0.23%) |
| Jan 20, 2012 | 21.55 | 22.05 | 21.45 | 22.05 | 63,951 | +0.54(+2.51%) |
| Jan 19, 2012 | 21.51 | 21.53 | 21.39 | 21.51 | 26,824 | -0.06(-0.28%) |
| Jan 18, 2012 | 21.57 | 21.68 | 21.50 | 21.57 | 31,543 | +0.07(+0.33%) |
| Jan 17, 2012 | 21.68 | 21.73 | 21.48 | 21.50 | 45,098 | -0.23(-1.06%) |
| Jan 16, 2012 | 21.68 | 21.84 | 21.38 | 21.73 | 45,212 | +0.32(+1.49%) |
| Jan 13, 2012 | 21.40 | 21.52 | 21.31 | 21.41 | 37,490 | -0.09(-0.42%) |
| Jan 12, 2012 | 21.50 | 21.74 | 21.41 | 21.50 | 62,669 | +0.20(+0.94%) |
| Jan 11, 2012 | 20.99 | 21.35 | 20.99 | 21.30 | 44,259 | +0.26(+1.24%) |
| Jan 10, 2012 | 20.94 | 21.05 | 20.87 | 21.04 | 66,172 | +0.54(+2.63%) |
| Jan 09, 2012 | 20.66 | 20.69 | 20.47 | 20.50 | 34,212 | -0.03(-0.15%) |
| Jan 06, 2012 | 20.68 | 20.72 | 20.44 | 20.53 | 50,755 | -0.08(-0.39%) |
| Jan 05, 2012 | 20.33 | 20.64 | 20.28 | 20.61 | 69,968 | +0.19(+0.93%) |
| Jan 04, 2012 | 20.56 | 20.56 | 20.36 | 20.42 | 51,522 | +0.44(+2.20%) |
| Dec 30, 2011 | 19.95 | 20.18 | 19.90 | 19.98 | 140,714 | +0.22(+1.11%) |
| Dec 29, 2011 | 18.92 | 19.76 | 18.90 | 19.76 | 147,039 | +0.49(+2.54%) |
| Dec 28, 2011 | 19.90 | 19.90 | 19.15 | 19.27 | 192,330 | -1.19(-5.82%) |
| Dec 23, 2011 | 20.43 | 20.46 | 20.46 | 20.46 | 41,312 | -0.28(-1.35%) |
| Dec 21, 2011 | 20.89 | 20.89 | 20.66 | 20.74 | 119,560 | -0.13(-0.62%) |
| Dec 20, 2011 | 20.76 | 20.92 | 20.72 | 20.87 | 71,592 | +0.13(+0.63%) |
| Dec 19, 2011 | 21.06 | 21.06 | 20.64 | 20.74 | 205,425 | -0.46(-2.17%) |
| Dec 16, 2011 | 21.32 | 21.41 | 21.11 | 21.20 | 102,967 | +0.44(+2.12%) |
| Dec 15, 2011 | 20.66 | 20.76 | 20.34 | 20.76 | 171,023 | +0.14(+0.68%) |
| Dec 14, 2011 | 20.91 | 21.02 | 20.37 | 20.62 | 403,559 | -0.88(-4.09%) |
| Dec 13, 2011 | 21.97 | 22.04 | 21.34 | 21.50 | 147,985 | -0.41(-1.87%) |
| Dec 12, 2011 | 21.99 | 21.99 | 21.77 | 21.91 | 175,233 | -0.46(-2.06%) |
| Dec 09, 2011 | 22.41 | 22.58 | 22.32 | 22.37 | 60,523 | +0.10(+0.45%) |
| Dec 08, 2011 | 22.27 | 22.35 | 22.07 | 22.27 | 88,960 | -0.17(-0.76%) |
| Dec 07, 2011 | 22.51 | 22.63 | 22.32 | 22.44 | 81,995 | -0.06(-0.27%) |
| Dec 06, 2011 | 22.04 | 22.57 | 21.95 | 22.50 | 84,004 | +0.31(+1.40%) |
| Dec 05, 2011 | 22.70 | 22.70 | 22.16 | 22.19 | 97,306 | -0.50(-2.20%) |
| Dec 02, 2011 | 22.84 | 22.93 | 22.47 | 22.69 | 112,471 | +0.13(+0.58%) |