| 日期 | 单位：% |
| 2020-05-23 | 购买后可见 » |
| 2020-03-27 | 购买后可见 » |
| 2019-10-04 | 购买后可见 » |
| 2019-08-07 | 购买后可见 » |
| 2019-06-06 | 购买后可见 » |
| 2019-04-04 | 购买后可见 » |
| 2019-02-07 | 购买后可见 » |
| 2018-08-01 | 购买后可见 » |
| 2018-06-06 | 购买后可见 » |
| 2017-08-02 | 购买后可见 » |
| 2017-04-06 | 购买后可见 » |
| 2016-10-04 | 购买后可见 » |
| 2016-04-05 | 购买后可见 » |
| 2015-09-29 | 购买后可见 » |
| 2015-06-02 | 购买后可见 » |
| 2015-03-04 | 8.50 |
| 2015-01-15 | 8.75 |
| 2014-01-28 | 9.00 |
| 2013-10-29 | 8.75 |
| 2013-10-07 | 9.00 |
| 2013-09-20 | 9.50 |
| 2013-07-15 | 10.25 |
| 2013-05-03 | 8.25 |
| 2013-03-19 | 8.50 |
| 2013-01-29 | 8.75 |
| 2012-04-17 | 9.00 |
| 2011-10-25 | 9.50 |
| 2011-09-16 | 9.25 |
| 2011-07-26 | 9.00 |
| 2011-06-16 | 8.50 |
| 2011-05-03 | 8.25 |
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