| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2020 | |
| 6 | 2019 | |
| 7 | 2018 | |
| 8 | 2017 | |
| 9 | 2016 | |
| 10 | 2015 | |
| 11 | 2013 | 36.35 |
| 12 | 2012 | 35.13 |
| 13 | 2011 | 36.88 |
| 14 | 2010 | 39.75 |
| 15 | 2009 | 37.95 |
| 16 | 2008 | 36.02 |
| 17 | 2006 | 37.23 |
| 18 | 2005 | 37.77 |
| 19 | 2004 | 36.23 |
| 20 | 2003 | 35.61 |
| 21 | 2002 | 35.27 |
| 22 | 2001 | 34.62 |
| 23 | 1999 | 35.97 |
| 24 | 1998 | 29.62 |
| 25 | 1997 | 23.91 |
| 26 | 1996 | 22.41 |
| 27 | 1995 | 21.94 |
| 28 | 1994 | 22.42 |
| 29 | 1992 | 20.71 |
| 30 | 1991 | 20.99 |
| 31 | 1990 | 22.44 |
| 32 | 1989 | 22.17 |
| 33 | 1988 | 22.63 |
| 34 | 1987 | 21.81 |
| 35 | 1985 | 18.21 |
| 36 | 1984 | 23.77 |
| 37 | 1983 | 30.62 |
| 38 | 1982 | 28.09 |
| 39 | 1981 | 30.49 |
