| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| May 20, 2013 | 20.73 | 20.74 | 20.58 | 20.70 | 24,487 | +0.05(+0.24%) |
| May 17, 2013 | 20.74 | 20.74 | 20.54 | 20.65 | 21,081 | +0.02(+0.10%) |
| May 16, 2013 | 20.65 | 20.69 | 20.36 | 20.63 | 67,129 | -0.02(-0.10%) |
| May 15, 2013 | 20.77 | 20.81 | 20.55 | 20.65 | 36,022 | -0.07(-0.34%) |
| May 13, 2013 | 20.84 | 20.90 | 20.67 | 20.72 | 30,215 | -0.06(-0.29%) |
| May 10, 2013 | 20.77 | 20.83 | 20.71 | 20.78 | 33,898 | +0.11(+0.53%) |
| May 09, 2013 | 20.70 | 20.79 | 20.63 | 20.67 | 28,240 | -0.03(-0.14%) |
| May 08, 2013 | 20.78 | 20.78 | 20.65 | 20.70 | 45,491 | +0.06(+0.29%) |
| May 07, 2013 | 20.62 | 20.79 | 20.59 | 20.64 | 63,354 | +0.03(+0.15%) |
| May 06, 2013 | 20.70 | 20.73 | 20.56 | 20.61 | 49,906 | +0.01(+0.05%) |
| May 03, 2013 | 20.52 | 20.66 | 20.54 | 20.60 | 50,082 | +0.06(+0.29%) |
| May 02, 2013 | 20.73 | 20.75 | 20.47 | 20.54 | 82,689 | -0.02(-0.10%) |
| May 01, 2013 | 20.61 | 20.62 | 20.46 | 20.56 | 70,989 | +0.10(+0.49%) |
| Apr 30, 2013 | 20.45 | 20.46 | 20.30 | 20.46 | 50,005 | +0.13(+0.64%) |
| Apr 29, 2013 | 20.36 | 20.40 | 20.18 | 20.33 | 46,341 | +0.04(+0.20%) |
| Apr 26, 2013 | 20.07 | 20.31 | 20.13 | 20.29 | 51,490 | +0.16(+0.79%) |
| Apr 25, 2013 | 20.35 | 20.35 | 20.06 | 20.13 | 45,392 | -0.09(-0.45%) |
| Apr 24, 2013 | 20.22 | 20.27 | 20.06 | 20.22 | 43,949 | +0.10(+0.50%) |
| Apr 23, 2013 | 20.30 | 20.48 | 19.96 | 20.12 | 95,012 | -0.23(-1.13%) |
| Apr 22, 2013 | 20.49 | 20.49 | 20.03 | 20.35 | 60,896 | -0.01(-0.05%) |
| Apr 19, 2013 | 20.26 | 20.40 | 20.15 | 20.36 | 35,799 | +0.21(+1.04%) |
| Apr 18, 2013 | 20.15 | 20.21 | 19.99 | 20.15 | 50,111 | +0.08(+0.40%) |
| Apr 17, 2013 | 20.15 | 20.19 | 19.92 | 20.07 | 39,672 | +0.03(+0.15%) |
| Apr 16, 2013 | 20.21 | 20.23 | 19.95 | 20.04 | 49,778 | +0.17(+0.86%) |
| Apr 15, 2013 | 20.42 | 20.44 | 19.80 | 19.87 | 56,931 | -0.41(-2.02%) |
| Apr 12, 2013 | 20.44 | 20.46 | 20.25 | 20.28 | 36,286 | -0.01(-0.05%) |
| Apr 11, 2013 | 20.38 | 20.44 | 20.21 | 20.29 | 43,496 | -0.27(-1.31%) |
| Apr 10, 2013 | 20.63 | 20.68 | 20.55 | 20.56 | 36,074 | +0.05(+0.24%) |
| Apr 09, 2013 | 20.32 | 20.52 | 20.32 | 20.51 | 81,892 | +0.15(+0.74%) |
| Apr 08, 2013 | 20.37 | 20.86 | 20.35 | 20.36 | 70,451 | +0.04(+0.22%) |
| Apr 05, 2013 | 20.20 | 20.32 | 20.09 | 20.32 | 37,753 | -0.07(-0.36%) |
| Apr 04, 2013 | 20.22 | 20.40 | 20.20 | 20.39 | 31,266 | +0.29(+1.44%) |
| Apr 03, 2013 | 20.25 | 20.25 | 20.02 | 20.10 | 51,315 | -0.09(-0.45%) |
| Apr 02, 2013 | 20.10 | 20.24 | 20.04 | 20.19 | 50,136 | +0.16(+0.80%) |
| Apr 01, 2013 | 20.11 | 20.11 | 20.03 | 20.03 | 22,018 | -0.08(-0.40%) |
| Mar 28, 2013 | 20.02 | 20.11 | 19.99 | 20.11 | 47,702 | +0.09(+0.45%) |
| Mar 27, 2013 | 20.01 | 20.02 | 19.97 | 20.02 | 25,274 | +0.01(+0.05%) |
| Mar 26, 2013 | 20.00 | 20.01 | 19.94 | 20.01 | 33,392 | +0.07(+0.35%) |
| Mar 25, 2013 | 20.00 | 20.00 | 19.94 | 19.94 | 21,441 | -0.06(-0.30%) |
| Mar 22, 2013 | 19.84 | 20.01 | 19.84 | 20.00 | 41,267 | +0.06(+0.30%) |
| Mar 21, 2013 | 20.01 | 20.01 | 19.89 | 19.94 | 42,077 | -0.05(-0.25%) |
| Mar 20, 2013 | 20.00 | 20.01 | 19.85 | 19.99 | 34,466 | +0.05(+0.25%) |
| Mar 19, 2013 | 20.00 | 20.00 | 19.75 | 19.94 | 41,275 | +0.05(+0.25%) |
| Mar 18, 2013 | 19.90 | 19.94 | 19.80 | 19.89 | 32,238 | -0.03(-0.15%) |
| Mar 15, 2013 | 19.94 | 19.94 | 19.87 | 19.92 | 34,038 | +0.06(+0.30%) |
| Mar 14, 2013 | 19.91 | 19.95 | 19.85 | 19.86 | 33,171 | -0.05(-0.25%) |
| Mar 13, 2013 | 19.91 | 19.95 | 19.81 | 19.91 | 48,686 | +0.01(+0.05%) |
| Mar 12, 2013 | 20.00 | 20.00 | 19.75 | 19.90 | 37,966 | -0.10(-0.50%) |
| Mar 11, 2013 | 19.99 | 20.00 | 19.96 | 20.00 | 39,563 | +0.00(+0.00%) |
| Mar 08, 2013 | 20.00 | 20.00 | 19.92 | 20.00 | 54,457 | +0.09(+0.45%) |
| Mar 07, 2013 | 20.00 | 20.00 | 19.67 | 19.91 | 60,971 | -0.01(-0.05%) |
| Mar 06, 2013 | 19.88 | 19.96 | 19.75 | 19.92 | 60,484 | +0.15(+0.76%) |
| Mar 05, 2013 | 19.88 | 19.89 | 19.77 | 19.77 | 52,639 | +0.03(+0.15%) |
| Mar 04, 2013 | 19.60 | 19.80 | 19.51 | 19.74 | 70,102 | +0.11(+0.56%) |