| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Mar 30, 2012 | 44.77 | 44.88 | 44.68 | 44.80 | 74,976 | +0.25(+0.56%) |
| Mar 29, 2012 | 44.44 | 44.61 | 44.18 | 44.55 | 50,094 | -0.07(-0.16%) |
| Mar 28, 2012 | 44.86 | 44.86 | 44.44 | 44.62 | 31,172 | -0.28(-0.62%) |
| Mar 27, 2012 | 44.96 | 45.06 | 44.89 | 44.90 | 46,265 | +0.01(+0.02%) |
| Mar 26, 2012 | 44.71 | 44.90 | 44.71 | 44.89 | 24,757 | +0.04(+0.09%) |
| Mar 23, 2012 | 44.83 | 44.91 | 44.67 | 44.85 | 35,180 | +0.03(+0.07%) |
| Mar 22, 2012 | 44.94 | 44.94 | 44.69 | 44.82 | 18,145 | -0.16(-0.36%) |
| Mar 21, 2012 | 45.09 | 45.09 | 44.93 | 44.98 | 96,616 | -0.05(-0.11%) |
| Mar 20, 2012 | 44.95 | 45.07 | 44.90 | 45.03 | 55,072 | -0.09(-0.20%) |
| Mar 19, 2012 | 44.92 | 45.24 | 44.87 | 45.12 | 42,265 | +0.07(+0.16%) |
| Mar 16, 2012 | 45.09 | 45.14 | 45.00 | 45.05 | 105,447 | +0.05(+0.11%) |
| Mar 15, 2012 | 44.91 | 45.03 | 44.82 | 45.00 | 53,210 | +0.14(+0.31%) |
| Mar 14, 2012 | 45.03 | 45.15 | 44.80 | 44.86 | 57,741 | -0.22(-0.49%) |
| Mar 13, 2012 | 44.71 | 45.10 | 44.69 | 45.08 | 46,208 | +0.48(+1.08%) |
| Mar 12, 2012 | 44.34 | 44.63 | 44.34 | 44.60 | 108,685 | +0.23(+0.52%) |
| Mar 09, 2012 | 44.29 | 44.49 | 44.23 | 44.37 | 107,877 | +0.16(+0.36%) |
| Mar 08, 2012 | 44.22 | 44.27 | 44.12 | 44.21 | 54,707 | +0.21(+0.48%) |
| Mar 07, 2012 | 43.81 | 44.00 | 43.68 | 44.00 | 39,674 | +0.25(+0.57%) |
| Mar 06, 2012 | 43.96 | 43.97 | 43.65 | 43.75 | 63,708 | -0.52(-1.17%) |
| Mar 05, 2012 | 44.15 | 44.30 | 44.03 | 44.27 | 48,919 | +0.13(+0.29%) |
| Mar 02, 2012 | 44.22 | 44.27 | 44.10 | 44.14 | 58,736 | -0.08(-0.18%) |
| Mar 01, 2012 | 44.14 | 44.28 | 44.07 | 44.22 | 56,739 | +0.10(+0.23%) |
| Feb 29, 2012 | 44.26 | 44.38 | 44.06 | 44.12 | 46,543 | -0.12(-0.27%) |
| Feb 28, 2012 | 44.18 | 44.28 | 44.13 | 44.24 | 34,935 | +0.11(+0.25%) |
| Feb 27, 2012 | 43.90 | 44.21 | 43.83 | 44.13 | 72,319 | +0.05(+0.11%) |
| Feb 24, 2012 | 44.03 | 44.16 | 44.02 | 44.08 | 99,138 | +0.07(+0.16%) |
| Feb 23, 2012 | 43.73 | 44.03 | 43.69 | 44.01 | 185,992 | +0.18(+0.41%) |
| Feb 22, 2012 | 43.92 | 43.94 | 43.70 | 43.83 | 54,587 | -0.11(-0.25%) |
| Feb 21, 2012 | 44.16 | 44.19 | 43.87 | 43.94 | 45,864 | -0.10(-0.23%) |
| Feb 17, 2012 | 43.96 | 44.08 | 43.91 | 44.04 | 69,314 | +0.21(+0.48%) |
| Feb 16, 2012 | 43.43 | 43.88 | 43.43 | 43.83 | 59,293 | +0.42(+0.97%) |
| Feb 15, 2012 | 43.71 | 43.74 | 43.31 | 43.41 | 50,797 | -0.16(-0.37%) |
| Feb 14, 2012 | 43.62 | 43.62 | 43.32 | 43.57 | 38,568 | -0.09(-0.21%) |
| Feb 13, 2012 | 43.60 | 43.70 | 43.55 | 43.66 | 74,299 | +0.24(+0.55%) |
| Feb 10, 2012 | 43.48 | 43.48 | 43.27 | 43.42 | 65,329 | -0.27(-0.62%) |
| Feb 09, 2012 | 43.65 | 43.73 | 43.50 | 43.69 | 51,199 | +0.04(+0.09%) |
| Feb 08, 2012 | 43.67 | 43.68 | 43.45 | 43.65 | 78,854 | +0.01(+0.02%) |
| Feb 07, 2012 | 43.52 | 43.67 | 43.34 | 43.64 | 109,629 | +0.16(+0.37%) |
| Feb 06, 2012 | 43.49 | 43.50 | 43.36 | 43.48 | 130,097 | -0.10(-0.23%) |
| Feb 03, 2012 | 43.60 | 43.74 | 43.44 | 43.58 | 86,210 | +0.34(+0.79%) |
| Feb 02, 2012 | 43.26 | 43.32 | 43.08 | 43.24 | 61,756 | +0.00(+0.00%) |
| Feb 01, 2012 | 43.31 | 43.39 | 43.16 | 43.24 | 83,635 | +0.29(+0.68%) |
| Jan 31, 2012 | 43.23 | 43.23 | 42.76 | 42.95 | 355,117 | -0.03(-0.07%) |
| Jan 30, 2012 | 42.92 | 43.01 | 42.70 | 42.98 | 66,542 | -0.18(-0.42%) |
| Jan 27, 2012 | 43.38 | 43.44 | 43.01 | 43.16 | 120,581 | -0.24(-0.55%) |
| Jan 26, 2012 | 43.59 | 43.61 | 43.22 | 43.40 | 103,563 | -0.07(-0.16%) |
| Jan 25, 2012 | 43.12 | 43.53 | 42.93 | 43.47 | 92,806 | +0.29(+0.67%) |
| Jan 24, 2012 | 43.19 | 43.19 | 43.04 | 43.18 | 97,801 | -0.18(-0.42%) |
| Jan 23, 2012 | 43.50 | 43.57 | 43.24 | 43.36 | 85,581 | -0.12(-0.28%) |
| Jan 20, 2012 | 43.36 | 43.50 | 43.25 | 43.48 | 192,265 | +0.10(+0.23%) |
| Jan 19, 2012 | 43.41 | 43.41 | 43.17 | 43.38 | 471,421 | +0.01(+0.02%) |
| Jan 18, 2012 | 43.17 | 43.37 | 43.10 | 43.37 | 115,845 | +0.22(+0.51%) |
| Jan 17, 2012 | 43.39 | 43.50 | 43.10 | 43.15 | 164,978 | -0.01(-0.02%) |
| Jan 13, 2012 | 43.07 | 43.16 | 42.76 | 43.16 | 147,425 | -0.05(-0.12%) |
| Jan 12, 2012 | 43.26 | 43.26 | 43.03 | 43.21 | 82,883 | +0.11(+0.26%) |
| Jan 11, 2012 | 43.01 | 43.14 | 42.96 | 43.10 | 118,576 | +0.00(+0.00%) |
| Jan 10, 2012 | 43.74 | 43.74 | 43.06 | 43.10 | 135,581 | +0.26(+0.61%) |
| Jan 09, 2012 | 42.95 | 42.95 | 42.58 | 42.84 | 200,425 | +0.04(+0.09%) |
| Jan 06, 2012 | 43.03 | 43.07 | 42.68 | 42.80 | 167,920 | -0.07(-0.16%) |
| Jan 05, 2012 | 43.04 | 43.04 | 42.52 | 42.87 | 97,413 | -0.05(-0.12%) |