| 年份 | 单位:日 |
| 含“(E)”其对应值为系统预测,仅供参考。 | |
| 2025(E) | 购买后可见 » |
| 2024(E) | 购买后可见 » |
| 2023(E) | 购买后可见 » |
| 2022 | 购买后可见 » |
| 2021 | 购买后可见 » |
| 2020 | 购买后可见 » |
| 2019 | 购买后可见 » |
| 2018 | 购买后可见 » |
| 2017 | 购买后可见 » |
| 2016 | 购买后可见 » |
| 2015 | 购买后可见 » |
| 2014 | 购买后可见 » |
| 2013 | 购买后可见 » |
| 2012 | 10.00 |
| 2011 | 10.20 |
| 2010 | 10.40 |
| 2009 | 10.40 |
| 2008 | 10.60 |
| 2007 | 10.50 |
| 2006 | 10.50 |
| 2005 | 10.60 |
| 2004 | 10.50 |
| 2003 | 10.80 |
| 2002 | 10.60 |
| 2001 | 11.30 |
| 2000 | 11.60 |
| 1999 | 12.10 |
| 1998 | 12.60 |
| 1997 | 13.30 |
| 1996 | 13.70 |
| 1995 | 14.20 |
| 1994 | 14.50 |
| 1993 | 15.20 |
| 1992 | 15.80 |
| 1991 | 15.50 |
| 1990 | 15.50 |
| 1989 | 15.40 |
| 1988 | 15.60 |
| 1987 | 15.60 |
| 1986 | 15.60 |
| 1985 | 15.40 |
| 1984 | 14.90 |
| 1983 | 13.80 |
| 1982 | 14.00 |
| 1981 | 13.90 |
| 1980 | 13.70 |
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