| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 20, 2013 | 21.53 | 21.56 | 21.38 | 21.39 | 30,105 | -0.15(-0.70%) |
| May 17, 2013 | 21.61 | 21.70 | 21.49 | 21.54 | 75,513 | -0.20(-0.92%) |
| May 16, 2013 | 21.56 | 21.74 | 21.46 | 21.74 | 26,450 | +0.16(+0.74%) |
| May 15, 2013 | 21.68 | 21.80 | 21.52 | 21.58 | 57,236 | -0.17(-0.78%) |
| May 13, 2013 | 21.66 | 21.81 | 21.62 | 21.75 | 75,070 | +0.39(+1.83%) |
| May 10, 2013 | 21.36 | 21.59 | 21.31 | 21.36 | 31,236 | +0.23(+1.09%) |
| May 09, 2013 | 20.83 | 21.24 | 20.81 | 21.13 | 66,531 | +0.35(+1.68%) |
| May 08, 2013 | 20.94 | 20.94 | 20.73 | 20.78 | 45,422 | -0.30(-1.42%) |
| May 07, 2013 | 21.22 | 21.36 | 21.03 | 21.08 | 139,676 | -0.32(-1.50%) |
| May 06, 2013 | 21.48 | 21.58 | 21.38 | 21.40 | 81,269 | -0.05(-0.23%) |
| May 03, 2013 | 21.59 | 21.81 | 21.23 | 21.45 | 126,153 | -0.36(-1.65%) |
| May 02, 2013 | 22.02 | 22.11 | 21.81 | 21.81 | 63,153 | -0.38(-1.71%) |
| May 01, 2013 | 21.77 | 22.33 | 21.77 | 22.19 | 75,519 | +0.48(+2.21%) |
| Apr 30, 2013 | 22.20 | 22.37 | 21.59 | 21.71 | 214,375 | -0.64(-2.86%) |
| Apr 29, 2013 | 22.46 | 22.55 | 22.21 | 22.35 | 59,087 | -0.50(-2.19%) |
| Apr 26, 2013 | 22.60 | 22.91 | 22.42 | 22.85 | 105,517 | +0.43(+1.92%) |
| Apr 25, 2013 | 22.54 | 22.63 | 22.23 | 22.42 | 96,472 | -0.39(-1.71%) |
| Apr 24, 2013 | 23.00 | 23.00 | 22.62 | 22.81 | 63,971 | -0.29(-1.26%) |
| Apr 23, 2013 | 23.41 | 23.46 | 22.96 | 23.10 | 113,305 | -0.24(-1.03%) |
| Apr 22, 2013 | 23.34 | 23.70 | 23.31 | 23.34 | 66,636 | -0.22(-0.93%) |
| Apr 19, 2013 | 23.59 | 23.74 | 23.43 | 23.56 | 111,367 | -0.66(-2.73%) |
| Apr 18, 2013 | 23.96 | 24.43 | 23.92 | 24.22 | 177,060 | -0.01(-0.04%) |
| Apr 17, 2013 | 23.87 | 24.53 | 23.87 | 24.23 | 214,861 | +0.73(+3.11%) |
| Apr 16, 2013 | 23.53 | 23.89 | 23.40 | 23.50 | 103,774 | -1.03(-4.20%) |
| Apr 15, 2013 | 23.80 | 24.56 | 23.78 | 24.53 | 243,384 | +1.21(+5.19%) |
| Apr 12, 2013 | 23.19 | 23.72 | 23.13 | 23.32 | 125,497 | +0.62(+2.73%) |
| Apr 11, 2013 | 22.70 | 22.81 | 22.56 | 22.70 | 46,104 | -0.03(-0.13%) |
| Apr 10, 2013 | 22.81 | 22.85 | 22.39 | 22.73 | 123,945 | -0.42(-1.81%) |
| Apr 09, 2013 | 23.58 | 23.69 | 22.85 | 23.15 | 315,961 | -0.47(-1.99%) |
| Apr 08, 2013 | 23.86 | 24.01 | 23.58 | 23.62 | 89,143 | -0.04(-0.17%) |
| Apr 05, 2013 | 24.43 | 24.49 | 23.54 | 23.66 | 195,527 | +0.09(+0.38%) |
| Apr 04, 2013 | 23.53 | 23.87 | 23.42 | 23.57 | 195,687 | +0.14(+0.60%) |
| Apr 03, 2013 | 23.01 | 23.55 | 22.92 | 23.43 | 126,648 | +0.49(+2.14%) |
| Apr 02, 2013 | 22.72 | 22.99 | 22.68 | 22.94 | 43,828 | +0.03(+0.13%) |
| Apr 01, 2013 | 22.49 | 23.02 | 22.48 | 22.91 | 73,543 | +0.42(+1.87%) |
| Mar 28, 2013 | 22.69 | 22.75 | 22.46 | 22.49 | 31,655 | -0.07(-0.32%) |
| Mar 27, 2013 | 23.03 | 23.11 | 22.55 | 22.56 | 97,252 | -0.15(-0.65%) |
| Mar 26, 2013 | 22.99 | 22.99 | 22.69 | 22.71 | 73,902 | -0.67(-2.87%) |
| Mar 25, 2013 | 23.07 | 23.58 | 22.99 | 23.38 | 84,582 | +0.06(+0.26%) |
| Mar 22, 2013 | 23.43 | 23.52 | 23.32 | 23.32 | 36,277 | -0.22(-0.93%) |
| Mar 21, 2013 | 23.30 | 23.56 | 23.25 | 23.54 | 131,325 | +0.49(+2.13%) |
| Mar 20, 2013 | 22.99 | 23.08 | 22.87 | 23.05 | 298,929 | -0.30(-1.28%) |
| Mar 19, 2013 | 23.00 | 23.61 | 22.97 | 23.35 | 349,515 | +0.32(+1.39%) |
| Mar 18, 2013 | 23.03 | 23.08 | 22.80 | 23.03 | 56,345 | +0.51(+2.26%) |
| Mar 15, 2013 | 22.33 | 22.55 | 22.32 | 22.52 | 62,050 | +0.43(+1.95%) |
| Mar 14, 2013 | 22.16 | 22.17 | 22.00 | 22.09 | 41,237 | -0.23(-1.03%) |
| Mar 13, 2013 | 21.99 | 22.33 | 21.99 | 22.32 | 68,596 | +0.45(+2.06%) |
| Mar 12, 2013 | 21.61 | 21.97 | 21.59 | 21.87 | 35,686 | +0.44(+2.04%) |
| Mar 11, 2013 | 21.39 | 21.52 | 21.37 | 21.43 | 23,829 | +0.25(+1.20%) |
| Mar 08, 2013 | 21.26 | 21.43 | 21.08 | 21.18 | 105,857 | -0.34(-1.58%) |
| Mar 07, 2013 | 21.65 | 21.70 | 21.50 | 21.52 | 76,640 | -0.13(-0.60%) |
| Mar 06, 2013 | 21.67 | 21.81 | 21.60 | 21.65 | 65,201 | -0.26(-1.19%) |
| Mar 05, 2013 | 21.96 | 21.97 | 21.72 | 21.91 | 58,509 | -0.52(-2.32%) |
| Mar 04, 2013 | 22.53 | 22.65 | 22.37 | 22.43 | 128,168 | +0.44(+2.00%) |