| 序号 | 时间 (年) |
数据 (‰) |
|---|---|---|
| 1 | 2024 | |
| 2 | 2023 | |
| 3 | 2022 | |
| 4 | 2021 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | 45.46 |
| 8 | 2017 | 33.89 |
| 9 | 2016 | 29.36 |
| 10 | 2015 | 22.91 |
| 11 | 2014 | 29.04 |
| 12 | 2013 | 40.75 |
| 13 | 2012 | 35.30 |
| 14 | 2011 | 36.92 |
| 15 | 2010 | 31.75 |
| 16 | 2009 | 37.46 |
| 17 | 2008 | 42.26 |
| 18 | 2007 | 44.22 |
| 19 | 2006 | 69.81 |
| 20 | 2005 | 47.28 |
| 21 | 2004 | 33.59 |
| 22 | 2003 | 35.57 |
| 23 | 2002 | 27.88 |
| 24 | 2001 | 30.20 |
| 25 | 2000 | 43.40 |
| 26 | 1999 | 28.61 |
| 27 | 1998 | 36.45 |
| 28 | 1997 | 43.60 |
| 29 | 1996 | 34.70 |
| 30 | 1995 | 42.63 |
| 31 | 1994 | 52.28 |
| 32 | 1993 | 44.60 |
| 33 | 1992 | 30.03 |
| 34 | 1991 | 59.48 |
| 35 | 1990 | 40.32 |
| 36 | 1989 | 39.66 |
| 37 | 1988 | 37.76 |
