| 2011-02-14 | 19.28 | 19.23 | 1800 |
| 2011-02-11 | 19.20 | 19.31 | 17400 |
| 2011-02-10 | 18.98 | 19.13 | 85900 |
| 2011-02-09 | 19.29 | 19.26 | 4500 |
| 2011-02-08 | 19.42 | 19.38 | 10000 |
| 2011-02-07 | 19.45 | 19.47 | 2300 |
| 2011-02-04 | 19.42 | 19.47 | 5800 |
| 2011-02-03 | 19.42 | 19.50 | 6300 |
| 2011-02-02 | 19.60 | 19.55 | 22600 |
| 2011-02-01 | 19.26 | 19.57 | 16900 |
| 2011-01-31 | 18.76 | 18.96 | 5500 |
| 2011-01-28 | 19.36 | 18.77 | 22900 |
| 2011-01-27 | 19.39 | 19.49 | 14500 |
| 2011-01-26 | 19.43 | 19.33 | 6100 |
| 2011-01-25 | 19.22 | 19.25 | 4900 |
| 2011-01-24 | 19.05 | 19.34 | 14600 |
| 2011-01-21 | 19.38 | 19.23 | 20800 |
| 2011-01-20 | 19.25 | 19.19 | 23300 |
| 2011-01-19 | 19.77 | 19.30 | 3600 |
| 2011-01-18 | 19.72 | 19.72 | 12000 |
| 2011-01-14 | 19.30 | 19.52 | 8300 |
| 2011-01-13 | 19.34 | 19.36 | 10300 |
| 2011-01-12 | 19.16 | 19.38 | 9900 |
| 2011-01-11 | 18.88 | 18.88 | 7200 |
| 2011-01-10 | 18.79 | 18.56 | 4300 |
| 2011-01-07 | 19.10 | 18.86 | 11200 |
| 2011-01-06 | 19.06 | 19.17 | 18200 |
| 2011-01-05 | 19.20 | 19.16 | 16600 |
| 2011-01-04 | 19.00 | 19.30 | 18400 |
| 2011-01-03 | 18.84 | 19.05 | 21800 |
| 2010-12-31 | 18.88 | 18.95 | 4100 |
| 2010-12-30 | 18.90 | 18.97 | 24900 |
|
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