History price
| Date | Open price | Highest price | Lowest price | Close price | Trade volume |
|---|---|---|---|---|---|
| 2011-11-24 | 16.21 | 16.31 | 16.01 | 16.11 | 19,900 |
| 2011-11-23 | 16.51 | 16.51 | 16.21 | 16.21 | 28,220 |
| 2011-11-22 | 15.91 | 16.21 | 15.91 | 16.11 | 18,410 |
| 2011-11-21 | 16.11 | 16.11 | 15.91 | 15.91 | 27,820 |
| 2011-11-18 | 15.91 | 16.11 | 15.81 | 16.01 | 57,540 |
| 2011-11-17 | 16.51 | 16.61 | 16.11 | 16.11 | 32,060 |
| 2011-11-16 | 16.31 | 16.51 | 16.21 | 16.51 | 35,690 |
| 2011-11-15 | 16.11 | 16.11 | 15.71 | 16.01 | 48,810 |
| 2011-11-14 | 16.11 | 16.31 | 15.6 | 15.91 | 38,140 |
| 2011-11-11 | 16.31 | 16.51 | 16.11 | 16.11 | 35,880 |
| 2011-11-10 | 16.51 | 16.51 | 16.11 | 16.31 | 81,460 |
| 2011-11-09 | 16.91 | 16.91 | 16.61 | 16.71 | 14,820 |
| 2011-11-08 | 16.91 | 17.01 | 16.51 | 17.01 | 67,070 |
| 2011-11-07 | 17.01 | 17.11 | 16.51 | 16.81 | 67,690 |
| 2011-11-04 | 17.42 | 17.42 | 17.01 | 17.01 | 32,510 |
| 2011-11-03 | 16.91 | 17.22 | 16.91 | 17.11 | 26,800 |
| 2011-11-02 | 17.11 | 17.32 | 16.81 | 16.91 | 129,900 |
| 2011-11-01 | 17.82 | 17.92 | 17.42 | 17.52 | 121,680 |
| 2011-10-31 | 18.32 | 18.32 | 17.82 | 17.82 | 385,430 |
| 2011-10-28 | 17.32 | 17.52 | 16.81 | 17.52 | 158,470 |