| Date | Open | High | Low | Close | Volume | Change (%) |
|---|---|---|---|---|---|---|
| Apr 30, 2012 | 16.61 | 16.98 | 16.30 | 16.94 | 329,612 | +0.49(+2.98%) |
| Apr 27, 2012 | 16.32 | 16.50 | 16.13 | 16.45 | 318,838 | +0.16(+0.98%) |
| Apr 26, 2012 | 15.80 | 16.38 | 15.80 | 16.29 | 461,378 | +0.49(+3.10%) |
| Apr 25, 2012 | 15.99 | 16.22 | 15.70 | 15.80 | 637,794 | -0.16(-1.00%) |
| Apr 24, 2012 | 16.23 | 16.23 | 15.92 | 15.96 | 718,927 | -0.31(-1.91%) |
| Apr 23, 2012 | 16.78 | 16.78 | 15.90 | 16.27 | 1,228,641 | -1.03(-5.95%) |
| Apr 20, 2012 | 16.97 | 17.40 | 16.74 | 17.30 | 330,521 | +0.57(+3.41%) |
| Apr 19, 2012 | 16.49 | 16.85 | 16.30 | 16.73 | 313,798 | +0.21(+1.27%) |
| Apr 18, 2012 | 16.79 | 16.84 | 16.40 | 16.52 | 582,839 | -0.44(-2.59%) |
| Apr 17, 2012 | 17.32 | 17.45 | 16.85 | 16.96 | 483,780 | -0.31(-1.80%) |
| Apr 16, 2012 | 18.16 | 18.39 | 17.22 | 17.27 | 539,713 | -0.82(-4.53%) |
| Apr 13, 2012 | 18.35 | 18.44 | 18.02 | 18.09 | 138,725 | -0.15(-0.82%) |
| Apr 12, 2012 | 18.10 | 18.41 | 17.97 | 18.24 | 344,428 | +0.09(+0.51%) |
| Apr 11, 2012 | 18.60 | 18.70 | 18.14 | 18.15 | 159,712 | -0.34(-1.85%) |
| Apr 10, 2012 | 18.82 | 18.98 | 18.42 | 18.49 | 196,979 | -0.36(-1.91%) |
| Apr 09, 2012 | 18.85 | 19.07 | 18.63 | 18.85 | 246,350 | -0.20(-1.05%) |
| Apr 05, 2012 | 18.92 | 19.05 | 18.80 | 19.05 | 150,276 | +0.14(+0.74%) |
| Apr 04, 2012 | 19.05 | 19.08 | 18.89 | 18.91 | 120,190 | -0.17(-0.89%) |
| Apr 03, 2012 | 18.91 | 19.27 | 18.88 | 19.08 | 173,976 | +0.17(+0.90%) |
| Apr 02, 2012 | 19.38 | 19.49 | 18.82 | 18.91 | 299,774 | -0.48(-2.48%) |
| Mar 30, 2012 | 19.88 | 19.88 | 19.34 | 19.39 | 175,061 | -0.41(-2.07%) |
| Mar 29, 2012 | 19.89 | 19.92 | 19.70 | 19.80 | 215,364 | -0.26(-1.30%) |
| Mar 28, 2012 | 20.42 | 20.42 | 19.83 | 20.06 | 371,865 | -0.48(-2.34%) |
| Mar 27, 2012 | 19.74 | 20.54 | 19.67 | 20.54 | 449,440 | +0.87(+4.42%) |
| Mar 26, 2012 | 19.86 | 19.86 | 19.46 | 19.67 | 179,151 | +0.01(+0.05%) |
| Mar 23, 2012 | 19.50 | 19.75 | 19.31 | 19.66 | 226,326 | +0.31(+1.60%) |
| Mar 22, 2012 | 19.30 | 19.47 | 19.20 | 19.35 | 182,075 | -0.03(-0.15%) |
| Mar 21, 2012 | 19.38 | 19.45 | 19.25 | 19.38 | 162,026 | +0.07(+0.36%) |
| Mar 20, 2012 | 19.73 | 19.73 | 19.31 | 19.31 | 225,886 | -0.35(-1.78%) |
| Mar 19, 2012 | 19.47 | 19.68 | 19.34 | 19.66 | 243,425 | +0.28(+1.44%) |
| Mar 16, 2012 | 19.02 | 19.48 | 19.02 | 19.38 | 261,265 | +0.36(+1.89%) |
| Mar 15, 2012 | 19.14 | 19.15 | 18.90 | 19.02 | 172,704 | +0.08(+0.42%) |
| Mar 14, 2012 | 18.93 | 19.15 | 18.83 | 18.94 | 222,961 | +0.03(+0.16%) |
| Mar 13, 2012 | 18.82 | 18.95 | 18.52 | 18.91 | 201,848 | +0.25(+1.34%) |
| Mar 12, 2012 | 18.93 | 18.97 | 18.52 | 18.66 | 187,888 | -0.25(-1.32%) |
| Mar 09, 2012 | 18.84 | 18.98 | 18.78 | 18.91 | 183,131 | +0.14(+0.75%) |
| Mar 08, 2012 | 18.84 | 18.98 | 18.71 | 18.77 | 186,803 | -0.04(-0.21%) |
| Mar 07, 2012 | 18.43 | 18.87 | 18.40 | 18.81 | 191,572 | +0.37(+2.01%) |
| Mar 06, 2012 | 18.51 | 18.72 | 18.35 | 18.44 | 189,484 | -0.15(-0.81%) |
| Mar 05, 2012 | 18.74 | 18.75 | 18.50 | 18.59 | 200,335 | -0.20(-1.06%) |
| Mar 02, 2012 | 18.82 | 18.96 | 18.70 | 18.79 | 287,791 | -0.03(-0.16%) |
| Mar 01, 2012 | 18.49 | 18.88 | 18.34 | 18.82 | 495,643 | +0.75(+4.15%) |
| Feb 29, 2012 | 18.20 | 18.50 | 18.07 | 18.07 | 259,890 | -0.16(-0.88%) |
| Feb 28, 2012 | 18.61 | 18.68 | 18.20 | 18.23 | 260,115 | -0.41(-2.20%) |
| Feb 27, 2012 | 18.98 | 19.02 | 18.62 | 18.64 | 297,764 | -0.31(-1.64%) |
| Feb 24, 2012 | 18.81 | 19.00 | 18.76 | 18.95 | 285,105 | +0.19(+1.01%) |
| Feb 23, 2012 | 18.56 | 18.83 | 18.50 | 18.76 | 191,463 | +0.21(+1.13%) |
| Feb 22, 2012 | 19.01 | 19.04 | 18.54 | 18.55 | 286,306 | -0.37(-1.96%) |
| Feb 21, 2012 | 18.50 | 18.99 | 18.41 | 18.92 | 517,077 | +0.61(+3.33%) |
| Feb 17, 2012 | 18.06 | 18.43 | 17.80 | 18.31 | 454,955 | +0.36(+2.01%) |
| Feb 16, 2012 | 17.56 | 18.08 | 17.48 | 17.95 | 413,986 | +0.35(+1.99%) |
| Feb 15, 2012 | 17.94 | 18.00 | 17.42 | 17.60 | 612,847 | -0.30(-1.68%) |
| Feb 14, 2012 | 18.05 | 18.20 | 17.88 | 17.90 | 603,622 | -0.17(-0.94%) |
| Feb 13, 2012 | 18.38 | 18.46 | 18.00 | 18.07 | 482,854 | -0.31(-1.69%) |
| Feb 10, 2012 | 18.48 | 18.50 | 18.26 | 18.38 | 298,261 | -0.12(-0.65%) |
| Feb 09, 2012 | 18.56 | 18.63 | 18.36 | 18.50 | 284,839 | -0.02(-0.11%) |
| Feb 08, 2012 | 18.62 | 18.67 | 18.33 | 18.52 | 226,067 | -0.17(-0.91%) |
| Feb 07, 2012 | 18.59 | 18.79 | 18.53 | 18.69 | 408,588 | +0.13(+0.70%) |
| Feb 06, 2012 | 18.70 | 18.80 | 18.11 | 18.56 | 700,853 | -0.26(-1.38%) |
| Feb 03, 2012 | 19.20 | 19.29 | 18.78 | 18.82 | 552,591 | -0.47(-2.44%) |
| Feb 02, 2012 | 19.38 | 19.42 | 19.10 | 19.29 | 323,401 | -0.13(-0.67%) |