| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Feb 29, 2012 | 24.69 | 25.15 | 24.52 | 25.06 | 1,376,596 | +0.35(+1.42%) |
| Feb 28, 2012 | 24.80 | 24.81 | 24.35 | 24.71 | 996,494 | -0.06(-0.24%) |
| Feb 27, 2012 | 23.73 | 25.02 | 23.60 | 24.77 | 1,111,692 | +1.07(+4.51%) |
| Feb 24, 2012 | 23.74 | 23.85 | 23.61 | 23.70 | 172,049 | +0.01(+0.04%) |
| Feb 23, 2012 | 23.61 | 23.83 | 23.44 | 23.69 | 1,123,720 | +0.13(+0.55%) |
| Feb 22, 2012 | 23.54 | 23.80 | 23.40 | 23.56 | 417,673 | -0.02(-0.08%) |
| Feb 21, 2012 | 24.15 | 24.15 | 23.56 | 23.58 | 434,655 | -0.64(-2.64%) |
| Feb 17, 2012 | 23.93 | 24.32 | 23.63 | 24.22 | 609,903 | +0.22(+0.92%) |
| Feb 16, 2012 | 23.82 | 24.13 | 23.72 | 24.00 | 602,437 | +0.12(+0.50%) |
| Feb 15, 2012 | 23.83 | 23.99 | 23.06 | 23.88 | 1,325,288 | +0.10(+0.42%) |
| Feb 14, 2012 | 23.75 | 23.80 | 23.52 | 23.78 | 268,026 | +0.03(+0.13%) |
| Feb 13, 2012 | 23.63 | 23.90 | 23.49 | 23.75 | 579,689 | +0.31(+1.32%) |
| Feb 10, 2012 | 23.98 | 24.04 | 23.43 | 23.44 | 427,843 | -0.71(-2.94%) |
| Feb 09, 2012 | 23.83 | 24.29 | 23.27 | 24.15 | 928,209 | +0.18(+0.75%) |
| Feb 08, 2012 | 24.01 | 24.09 | 23.70 | 23.97 | 385,626 | +0.02(+0.08%) |
| Feb 07, 2012 | 23.67 | 23.96 | 23.65 | 23.95 | 373,367 | +0.21(+0.88%) |
| Feb 06, 2012 | 23.65 | 23.83 | 23.60 | 23.74 | 232,516 | +0.06(+0.25%) |
| Feb 03, 2012 | 23.64 | 23.87 | 23.60 | 23.68 | 513,329 | +0.28(+1.20%) |
| Feb 02, 2012 | 23.69 | 23.89 | 23.37 | 23.40 | 534,295 | -0.30(-1.27%) |
| Feb 01, 2012 | 23.57 | 23.92 | 23.57 | 23.70 | 838,281 | +0.17(+0.72%) |
| Jan 31, 2012 | 23.52 | 23.72 | 23.40 | 23.53 | 314,317 | +0.14(+0.60%) |
| Jan 30, 2012 | 23.42 | 23.49 | 23.22 | 23.39 | 622,720 | -0.16(-0.68%) |
| Jan 27, 2012 | 23.47 | 23.69 | 23.38 | 23.55 | 482,265 | -0.06(-0.25%) |
| Jan 26, 2012 | 23.82 | 24.16 | 23.52 | 23.61 | 1,007,966 | -0.09(-0.38%) |
| Jan 25, 2012 | 23.33 | 23.77 | 23.11 | 23.70 | 320,173 | +0.32(+1.37%) |
| Jan 24, 2012 | 23.03 | 23.50 | 22.89 | 23.38 | 543,176 | +0.24(+1.04%) |
| Jan 23, 2012 | 23.40 | 23.40 | 22.89 | 23.14 | 384,907 | -0.16(-0.69%) |
| Jan 20, 2012 | 23.10 | 23.34 | 23.03 | 23.30 | 413,790 | +0.24(+1.04%) |
| Jan 19, 2012 | 23.09 | 23.31 | 23.00 | 23.06 | 507,300 | -0.06(-0.26%) |
| Jan 18, 2012 | 22.53 | 23.15 | 22.38 | 23.12 | 640,691 | +0.48(+2.12%) |
| Jan 17, 2012 | 22.57 | 22.80 | 22.44 | 22.64 | 590,705 | +0.20(+0.89%) |
| Jan 13, 2012 | 22.26 | 22.46 | 22.03 | 22.44 | 413,851 | +0.09(+0.40%) |
| Jan 12, 2012 | 22.45 | 22.45 | 22.13 | 22.35 | 529,272 | -0.03(-0.13%) |
| Jan 11, 2012 | 22.15 | 22.47 | 22.05 | 22.38 | 601,337 | +0.12(+0.54%) |
| Jan 10, 2012 | 21.98 | 22.30 | 21.88 | 22.26 | 1,122,904 | +0.48(+2.20%) |
| Jan 09, 2012 | 21.85 | 21.92 | 21.56 | 21.78 | 669,042 | +0.06(+0.28%) |
| Jan 06, 2012 | 21.00 | 21.90 | 21.00 | 21.72 | 1,404,995 | +0.76(+3.63%) |
| Jan 05, 2012 | 20.92 | 21.06 | 20.69 | 20.96 | 776,647 | -0.05(-0.24%) |
| Jan 04, 2012 | 20.98 | 21.10 | 20.80 | 21.01 | 507,700 | +0.64(+3.14%) |
| Dec 30, 2011 | 20.49 | 20.55 | 20.37 | 20.37 | 384,041 | -0.20(-0.97%) |
| Dec 29, 2011 | 20.60 | 20.70 | 20.42 | 20.57 | 539,461 | -0.09(-0.44%) |
| Dec 28, 2011 | 20.60 | 20.68 | 20.16 | 20.66 | 854,533 | +0.00(+0.00%) |
| Dec 27, 2011 | 20.82 | 20.87 | 20.53 | 20.66 | 621,212 | -0.20(-0.96%) |
| Dec 23, 2011 | 21.78 | 21.78 | 20.68 | 20.86 | 1,677,807 | -1.06(-4.84%) |
| Dec 21, 2011 | 21.63 | 22.02 | 21.55 | 21.92 | 549,184 | +0.32(+1.48%) |
| Dec 20, 2011 | 21.10 | 21.80 | 21.10 | 21.60 | 1,034,063 | +0.75(+3.60%) |
| Dec 19, 2011 | 21.56 | 21.78 | 20.79 | 20.85 | 488,186 | -0.62(-2.89%) |
| Dec 16, 2011 | 21.72 | 21.78 | 21.39 | 21.47 | 1,500,536 | -0.18(-0.83%) |
| Dec 15, 2011 | 21.83 | 21.85 | 21.52 | 21.65 | 649,213 | -0.02(-0.09%) |
| Dec 14, 2011 | 21.78 | 21.83 | 21.55 | 21.67 | 754,685 | -0.16(-0.73%) |
| Dec 13, 2011 | 21.95 | 22.54 | 21.74 | 21.83 | 1,165,994 | +0.08(+0.37%) |
| Dec 12, 2011 | 21.60 | 21.81 | 21.50 | 21.75 | 644,320 | -0.08(-0.37%) |
| Dec 09, 2011 | 21.10 | 21.97 | 20.99 | 21.83 | 1,129,361 | +0.71(+3.36%) |
| Dec 08, 2011 | 21.08 | 21.35 | 20.95 | 21.12 | 930,102 | -0.09(-0.42%) |
| Dec 07, 2011 | 21.07 | 21.35 | 20.78 | 21.21 | 728,239 | +0.02(+0.09%) |
| Dec 06, 2011 | 21.24 | 21.36 | 21.16 | 21.19 | 588,231 | -0.08(-0.38%) |
| Dec 05, 2011 | 21.13 | 21.49 | 21.07 | 21.27 | 935,016 | +0.39(+1.87%) |
| Dec 02, 2011 | 20.93 | 21.04 | 20.70 | 20.88 | 812,027 | +0.16(+0.77%) |