| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 2001-12-31 | 0.37 |
| 2 | 2002-12-31 | 0.41 |
| 3 | 2003-12-31 | 0.39 |
| 4 | 2004-12-31 | 0.29 |
| 5 | 2005-12-30 | 0.18 |
| 6 | 2006-12-29 | 1.05 |
| 7 | 2007-12-28 | 2.48 |
| 8 | 2008-12-31 | 1.00 |
| 9 | 2009-12-31 | 1.56 |
| 10 | 2010-12-31 | 4.71 |
| 11 | 2011-12-30 | 4.17 |
| 12 | 2012-12-31 | 3.35 |
| 13 | 2013-12-31 | 4.86 |
| 14 | 2014-12-31 | 6.40 |
| 15 | 2015-12-31 | 9.19 |
| 16 | 2016-12-30 | 7.97 |
| 17 | 2017-12-29 | 8.80 |
| 18 | 2018-12-28 | 4.07 |
| 19 | 2019-12-31 | 4.20 |
| 20 | 2020-12-31 | 4.24 |
| 21 | 2021-12-31 | 7.85 |
| 22 | 2022-12-30 | 6.99 |
| 23 | 2023-12-29 | 10.87 |
| 24 | 2024-07-26 | 10.26 |