| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 2011-12-30 | 1.73 |
| 2 | 2012-12-31 | 0.64 |
| 3 | 2013-12-31 | 1.96 |
| 4 | 2014-12-31 | 5.10 |
| 5 | 2015-12-31 | 8.98 |
| 6 | 2016-12-30 | 13.93 |
| 7 | 2017-12-29 | 15.52 |
| 8 | 2018-12-28 | 10.18 |
| 9 | 2019-12-31 | 13.19 |
| 10 | 2020-12-31 | 14.53 |
| 11 | 2021-12-31 | 23.27 |
| 12 | 2022-12-30 | 16.70 |
| 13 | 2023-12-29 | 22.50 |
| 14 | 2024-07-26 | 25.65 |