| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 2012-12-31 | 1.19 |
| 2 | 2013-12-31 | 2.14 |
| 3 | 2014-12-31 | 3.26 |
| 4 | 2015-12-31 | 4.07 |
| 5 | 2016-12-30 | 8.00 |
| 6 | 2017-12-29 | 10.93 |
| 7 | 2018-12-28 | 8.91 |
| 8 | 2019-12-31 | 9.64 |
| 9 | 2020-12-31 | 19.51 |
| 10 | 2021-12-31 | 37.69 |
| 11 | 2022-12-30 | 21.31 |
| 12 | 2023-12-29 | 22.15 |
| 13 | 2024-07-26 | 15.80 |