| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 2003-12-31 | 0.33 |
| 2 | 2004-12-31 | 0.16 |
| 3 | 2005-12-30 | -0.01 |
| 4 | 2006-12-29 | 0.11 |
| 5 | 2007-08-23 | 0.67 |
| 6 | 2008-12-31 | 1.45 |
| 7 | 2009-12-31 | 2.87 |
| 8 | 2010-12-31 | 5.18 |
| 9 | 2011-12-30 | 3.29 |
| 10 | 2012-12-31 | 2.90 |
| 11 | 2013-12-31 | 3.68 |
| 12 | 2014-12-31 | 5.10 |
| 13 | 2015-12-31 | 11.20 |
| 14 | 2016-12-30 | 8.99 |
| 15 | 2017-12-29 | 11.99 |
| 16 | 2018-12-28 | 6.61 |
| 17 | 2019-12-31 | 7.20 |
| 18 | 2020-12-31 | 6.76 |
| 19 | 2021-12-31 | 7.24 |
| 20 | 2022-12-30 | 6.82 |
| 21 | 2023-12-29 | 9.22 |
| 22 | 2024-07-26 | 7.04 |