| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 2002-12-31 | 1.04 |
| 2 | 2003-12-31 | 1.00 |
| 3 | 2004-12-31 | 1.17 |
| 4 | 2005-12-30 | 0.83 |
| 5 | 2006-12-29 | 0.99 |
| 6 | 2007-12-28 | 3.34 |
| 7 | 2008-12-31 | 3.08 |
| 8 | 2009-12-31 | 3.76 |
| 9 | 2010-12-31 | 4.06 |
| 10 | 2011-12-30 | 3.71 |
| 11 | 2012-12-31 | 2.46 |
| 12 | 2013-12-31 | 2.28 |
| 13 | 2014-12-31 | 2.31 |
| 14 | 2015-12-31 | 3.67 |
| 15 | 2016-12-30 | 3.22 |
| 16 | 2017-12-29 | 5.68 |
| 17 | 2018-12-28 | 4.16 |
| 18 | 2019-12-31 | 4.61 |
| 19 | 2020-12-31 | 4.09 |
| 20 | 2021-12-31 | 3.63 |
| 21 | 2022-12-30 | 3.11 |
| 22 | 2023-12-29 | 4.16 |
| 23 | 2024-07-26 | 3.85 |