| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 2010-12-31 | 3.46 |
| 2 | 2011-12-30 | 1.68 |
| 3 | 2012-12-31 | 0.67 |
| 4 | 2013-12-31 | 0.42 |
| 5 | 2014-12-31 | 0.47 |
| 6 | 2015-12-31 | 1.06 |
| 7 | 2016-12-30 | 2.33 |
| 8 | 2017-12-29 | 3.25 |
| 9 | 2018-12-28 | 4.97 |
| 10 | 2019-12-31 | 6.08 |
| 11 | 2020-12-31 | 5.79 |
| 12 | 2021-12-31 | 15.04 |
| 13 | 2022-12-30 | 9.85 |
| 14 | 2023-12-29 | 9.94 |
| 15 | 2024-07-26 | 8.62 |