| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 9.84 |
| 8 | 2017 | 11.09 |
| 9 | 2016 | 10.06 |
| 10 | 2015 | 10.52 |
| 11 | 2014 | 10.73 |
| 12 | 2013 | 6.26 |
| 13 | 2012 | 6.59 |
| 14 | 2011 | 5.71 |
| 15 | 2010 | 6.25 |
| 16 | 2009 | 7.12 |
| 17 | 2008 | 6.72 |
| 18 | 2007 | 6.91 |
| 19 | 2006 | 6.99 |
| 20 | 2005 | 6.56 |
| 21 | 2004 | 7.38 |
| 22 | 2003 | 9.22 |
| 23 | 2002 | 9.73 |
| 24 | 2001 | 10.65 |
| 25 | 2000 | 9.99 |
| 26 | 1999 | 11.09 |
| 27 | 1998 | 9.95 |
| 28 | 1997 | 10.64 |
| 29 | 1996 | 10.10 |
| 30 | 1995 | 10.12 |
| 31 | 1990 | 20.85 |
| 32 | 1985 | 14.17 |
| 33 | 1980 | 16.18 |
| 34 | 1978 | 22.26 |
