| 2011-04-07 | 39.30 | 39.16 | 42900 |
| 2011-04-06 | 39.17 | 38.95 | 40000 |
| 2011-04-05 | 39.90 | 39.57 | 7700 |
| 2011-04-04 | 39.47 | 39.65 | 16900 |
| 2011-04-01 | 40.12 | 39.60 | 95000 |
| 2011-03-31 | 39.93 | 39.74 | 39700 |
| 2011-03-30 | 40.46 | 40.15 | 37900 |
| 2011-03-29 | 40.54 | 40.32 | 37700 |
| 2011-03-28 | 40.52 | 40.36 | 19000 |
| 2011-03-25 | 40.19 | 40.49 | 26400 |
| 2011-03-24 | 40.24 | 39.88 | 34700 |
| 2011-03-23 | 40.28 | 40.31 | 37700 |
| 2011-03-22 | 39.54 | 39.70 | 20000 |
| 2011-03-21 | 39.76 | 39.66 | 59200 |
| 2011-03-18 | 40.09 | 39.98 | 28300 |
| 2011-03-17 | 40.87 | 40.82 | 17300 |
| 2011-03-16 | 41.43 | 41.55 | 36500 |
| 2011-03-15 | 41.46 | 40.94 | 71700 |
| 2011-03-14 | 41.20 | 40.95 | 41800 |
| 2011-03-11 | 42.40 | 41.64 | 32400 |
| 2011-03-10 | 42.18 | 42.30 | 50500 |
| 2011-03-09 | 41.60 | 41.58 | 10100 |
| 2011-03-08 | 41.76 | 41.62 | 15400 |
| 2011-03-07 | 40.97 | 41.12 | 56100 |
| 2011-03-04 | 41.14 | 41.04 | 47700 |
| 2011-03-03 | 41.42 | 41.21 | 63900 |
| 2011-03-02 | 41.99 | 41.89 | 19000 |
| 2011-03-01 | 42.04 | 42.49 | 20000 |
| 2011-02-28 | 42.02 | 42.22 | 18900 |
| 2011-02-25 | 42.58 | 42.63 | 13800 |
| 2011-02-24 | 42.28 | 42.24 | 17500 |
| 2011-02-23 | 42.85 | 42.58 | 86100 |
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