| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | 7.54 |
| 8 | 2018 | 8.15 |
| 9 | 2017 | 9.75 |
| 10 | 2016 | 9.24 |
| 11 | 2015 | 10.29 |
| 12 | 2014 | 11.25 |
| 13 | 2013 | 11.28 |
| 14 | 2012 | 10.86 |
| 15 | 2011 | 10.23 |
| 16 | 2010 | 10.27 |
| 17 | 2009 | 11.55 |
| 18 | 2008 | 11.86 |
| 19 | 2007 | 11.93 |
| 20 | 2006 | 12.67 |
| 21 | 2005 | 13.19 |
| 22 | 2004 | 13.90 |
| 23 | 2003 | 14.12 |
| 24 | 2002 | 13.97 |
| 25 | 2001 | 14.12 |
| 26 | 2000 | 14.06 |
| 27 | 1999 | 13.78 |
| 28 | 1998 | 11.36 |
| 29 | 1997 | 13.03 |
| 30 | 1996 | 12.74 |
| 31 | 1995 | 14.22 |
| 32 | 1994 | 14.12 |
| 33 | 1993 | 14.48 |
| 34 | 1992 | 16.05 |
| 35 | 1991 | 15.85 |
| 36 | 1990 | 22.76 |
| 37 | 1989 | 16.04 |
| 38 | 1988 | 15.16 |
| 39 | 1985 | 15.79 |
| 40 | 1980 | 17.79 |
| 41 | 1978 | 15.21 |
