| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | |
| 8 | 2018 | |
| 9 | 2017 | |
| 10 | 2016 | |
| 11 | 2015 | 14.05 |
| 12 | 2014 | 14.07 |
| 13 | 2013 | 14.28 |
| 14 | 2012 | 14.20 |
| 15 | 2011 | 13.71 |
| 16 | 2010 | 14.13 |
| 17 | 2009 | 14.17 |
| 18 | 2008 | 14.40 |
| 19 | 2007 | 14.19 |
| 20 | 2006 | 14.44 |
| 21 | 2005 | 14.26 |
| 22 | 2004 | 13.32 |
| 23 | 2003 | 13.86 |
| 24 | 2002 | 13.30 |
| 25 | 2001 | 13.80 |
| 26 | 2000 | 13.60 |
| 27 | 1999 | 14.96 |
| 28 | 1998 | 15.87 |
| 29 | 1997 | 15.93 |
| 30 | 1996 | 16.83 |
| 31 | 1995 | 17.54 |
| 32 | 1994 | 18.84 |
| 33 | 1993 | 19.58 |
| 34 | 1992 | 20.19 |
| 35 | 1991 | 21.89 |
| 36 | 1990 | 20.20 |
| 37 | 1985 | 25.51 |
| 38 | 1980 | 25.17 |
| 39 | 1978 | 24.69 |
