| 序号 | 时间 | 最低 |
|---|---|---|
| 1 | 1996-12-31 | 0.77 |
| 2 | 1997-12-31 | 0.98 |
| 3 | 1998-12-31 | 0.93 |
| 4 | 1999-12-30 | 1.11 |
| 5 | 2000-12-29 | 1.29 |
| 6 | 2001-12-31 | 1.45 |
| 7 | 2002-12-31 | 1.24 |
| 8 | 2003-12-31 | 1.17 |
| 9 | 2004-12-30 | 0.80 |
| 10 | 2005-12-30 | 0.60 |
| 11 | 2006-12-29 | 0.70 |
| 12 | 2007-12-28 | 1.17 |
| 13 | 2008-12-31 | 1.08 |
| 14 | 2009-12-29 | 1.18 |
| 15 | 2010-12-31 | 3.16 |
| 16 | 2011-12-30 | 3.66 |
| 17 | 2012-12-31 | 3.42 |
| 18 | 2013-12-31 | 3.20 |
| 19 | 2014-12-10 | 3.28 |
| 20 | 2015-10-27 | 4.81 |
| 21 | 2016-12-30 | 5.69 |
| 22 | 2017-12-29 | 6.88 |
| 23 | 2018-12-28 | 4.22 |
| 24 | 2019-12-31 | 4.03 |
| 25 | 2020-12-31 | 4.48 |
| 26 | 2021-12-31 | 6.05 |
| 27 | 2022-12-30 | 5.40 |
| 28 | 2023-12-29 | 6.03 |
| 29 | 2024-07-26 | 7.25 |