| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 28, 2013 | 21.72 | 21.72 | 21.72 | 0 | +0.09(+0.42%) | |
| Feb 27, 2013 | 21.46 | 21.71 | 21.26 | 21.63 | 1,291,233 | +0.17(+0.79%) |
| Feb 26, 2013 | 21.21 | 21.79 | 21.12 | 21.46 | 1,854,840 | +0.36(+1.71%) |
| Feb 25, 2013 | 22.10 | 22.24 | 20.97 | 21.10 | 2,589,004 | -1.02(-4.61%) |
| Feb 22, 2013 | 21.52 | 22.12 | 21.43 | 22.12 | 2,602,472 | +0.72(+3.36%) |
| Feb 21, 2013 | 21.36 | 21.66 | 21.34 | 21.40 | 2,212,526 | -0.06(-0.28%) |
| Feb 20, 2013 | 21.25 | 21.58 | 21.20 | 21.46 | 4,142,715 | +0.14(+0.66%) |
| Feb 19, 2013 | 21.16 | 21.38 | 21.10 | 21.32 | 3,807,885 | +0.17(+0.80%) |
| Feb 15, 2013 | 21.36 | 21.45 | 21.06 | 21.15 | 1,029,821 | -0.28(-1.31%) |
| Feb 14, 2013 | 21.05 | 21.53 | 21.05 | 21.43 | 882,553 | +0.27(+1.28%) |
| Feb 13, 2013 | 21.00 | 21.23 | 20.99 | 21.16 | 1,126,415 | +0.15(+0.71%) |
| Feb 12, 2013 | 20.86 | 21.12 | 20.80 | 21.01 | 814,951 | +0.22(+1.06%) |
| Feb 11, 2013 | 20.76 | 20.96 | 20.69 | 20.79 | 2,392,521 | -0.04(-0.19%) |
| Feb 08, 2013 | 20.85 | 21.00 | 20.75 | 20.83 | 1,436,030 | +0.00(+0.00%) |
| Feb 07, 2013 | 20.63 | 20.90 | 20.38 | 20.83 | 2,611,591 | +0.23(+1.12%) |
| Feb 06, 2013 | 20.09 | 20.63 | 20.09 | 20.60 | 1,660,881 | +0.65(+3.26%) |
| Feb 04, 2013 | 19.71 | 20.05 | 19.67 | 19.95 | 3,428,769 | +0.00(+0.00%) |
| Feb 01, 2013 | 20.10 | 20.10 | 19.53 | 19.95 | 3,038,145 | +0.02(+0.10%) |
| Jan 31, 2013 | 19.78 | 20.00 | 19.58 | 19.93 | 1,664,007 | +0.06(+0.30%) |
| Jan 30, 2013 | 19.84 | 20.02 | 19.65 | 19.87 | 1,068,636 | +0.04(+0.20%) |
| Jan 29, 2013 | 19.66 | 19.86 | 19.56 | 19.83 | 1,522,189 | +0.17(+0.86%) |
| Jan 28, 2013 | 19.64 | 19.77 | 19.57 | 19.66 | 2,093,327 | +0.04(+0.20%) |
| Jan 25, 2013 | 19.58 | 19.63 | 19.45 | 19.62 | 1,058,377 | +0.17(+0.87%) |
| Jan 24, 2013 | 19.08 | 19.52 | 19.08 | 19.45 | 1,169,651 | +0.30(+1.57%) |
| Jan 23, 2013 | 19.04 | 19.20 | 19.00 | 19.15 | 1,206,853 | +0.10(+0.52%) |
| Jan 22, 2013 | 18.73 | 19.05 | 18.73 | 19.05 | 999,561 | +0.27(+1.44%) |
| Jan 18, 2013 | 18.61 | 18.79 | 18.60 | 18.78 | 988,501 | +0.10(+0.54%) |
| Jan 17, 2013 | 18.63 | 18.75 | 18.52 | 18.68 | 1,601,209 | +0.10(+0.54%) |
| Jan 16, 2013 | 18.72 | 18.72 | 18.52 | 18.58 | 1,437,095 | -0.12(-0.64%) |
| Jan 15, 2013 | 18.56 | 18.80 | 18.56 | 18.70 | 1,659,654 | +0.05(+0.27%) |
| Jan 14, 2013 | 18.83 | 18.86 | 18.61 | 18.65 | 980,604 | -0.15(-0.80%) |
| Jan 12, 2013 | 18.71 | 18.85 | 18.66 | 18.80 | 1,102,038 | +0.00(+0.00%) |
| Jan 11, 2013 | 18.71 | 18.85 | 18.66 | 18.80 | 1,102,038 | +0.04(+0.21%) |
| Jan 10, 2013 | 18.75 | 18.79 | 18.49 | 18.76 | 2,934,228 | +0.17(+0.91%) |
| Jan 09, 2013 | 18.60 | 18.69 | 18.53 | 18.59 | 2,626,989 | +0.02(+0.11%) |
| Jan 08, 2013 | 18.50 | 18.62 | 18.38 | 18.57 | 3,261,853 | +0.07(+0.38%) |
| Jan 07, 2013 | 18.71 | 18.77 | 18.43 | 18.50 | 2,999,145 | -0.26(-1.39%) |
| Jan 04, 2013 | 18.70 | 18.86 | 18.61 | 18.76 | 2,324,794 | +0.02(+0.11%) |
| Jan 03, 2013 | 18.91 | 19.05 | 18.66 | 18.74 | 2,909,360 | -0.22(-1.16%) |
| Jan 02, 2013 | 19.02 | 19.05 | 18.73 | 18.96 | 2,491,401 | +0.44(+2.38%) |
| Dec 31, 2012 | 18.42 | 18.63 | 18.31 | 18.52 | 1,985,156 | +0.10(+0.54%) |
| Dec 28, 2012 | 18.42 | 18.53 | 18.38 | 18.42 | 1,313,418 | -0.10(-0.54%) |
| Dec 27, 2012 | 18.70 | 18.78 | 18.27 | 18.52 | 1,382,018 | -0.15(-0.80%) |
| Dec 26, 2012 | 18.77 | 18.94 | 18.45 | 18.67 | 682,554 | -0.07(-0.37%) |
| Dec 24, 2012 | 18.55 | 18.86 | 18.55 | 18.74 | 520,931 | +0.01(+0.05%) |
| Dec 21, 2012 | 18.39 | 18.80 | 18.32 | 18.73 | 4,563,207 | -0.12(-0.64%) |
| Dec 20, 2012 | 18.62 | 18.85 | 18.51 | 18.85 | 1,593,575 | +0.23(+1.24%) |
| Dec 19, 2012 | 18.82 | 18.85 | 18.42 | 18.62 | 2,761,828 | -0.18(-0.96%) |
| Dec 18, 2012 | 18.66 | 18.85 | 18.33 | 18.80 | 2,982,853 | +0.56(+3.07%) |
| Dec 17, 2012 | 18.25 | 18.50 | 18.04 | 18.24 | 2,825,551 | +0.14(+0.77%) |
| Dec 14, 2012 | 18.08 | 18.27 | 18.03 | 18.10 | 941,890 | -0.02(-0.11%) |
| Dec 13, 2012 | 18.34 | 18.49 | 18.08 | 18.12 | 1,485,370 | -0.23(-1.25%) |
| Dec 12, 2012 | 18.26 | 18.48 | 18.13 | 18.35 | 2,147,501 | +0.26(+1.44%) |
| Dec 11, 2012 | 18.01 | 18.17 | 17.96 | 18.09 | 1,217,531 | +0.16(+0.89%) |
| Dec 10, 2012 | 17.90 | 17.98 | 17.72 | 17.93 | 1,271,373 | +0.03(+0.17%) |
| Dec 07, 2012 | 17.86 | 18.01 | 17.69 | 17.90 | 1,397,475 | +0.09(+0.51%) |
| Dec 06, 2012 | 17.79 | 17.87 | 17.66 | 17.81 | 2,374,930 | -0.06(-0.34%) |
| Dec 05, 2012 | 17.80 | 17.97 | 17.71 | 17.87 | 2,432,463 | +0.12(+0.68%) |