| 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 | 36.76 |
| 12 | 2014 | 34.06 |
| 13 | 2013 | 33.85 |
| 14 | 2012 | 29.27 |
| 15 | 2011 | 27.83 |
| 16 | 2010 | 28.18 |
| 17 | 2009 | 31.65 |
| 18 | 2008 | 32.06 |
| 19 | 2007 | 33.36 |
| 20 | 2006 | 35.74 |
| 21 | 2005 | 37.00 |
| 22 | 2004 | 38.94 |
| 23 | 2003 | 41.77 |
| 24 | 2002 | 42.15 |
| 25 | 2001 | 43.87 |
| 26 | 2000 | 42.51 |
| 27 | 1999 | 41.02 |
| 28 | 1998 | 39.69 |
| 29 | 1997 | 37.93 |
| 30 | 1996 | 35.97 |
| 31 | 1995 | 30.92 |
| 32 | 1994 | 29.37 |
| 33 | 1993 | 30.85 |
| 34 | 1992 | 34.22 |
| 35 | 1991 | 33.81 |
| 36 | 1990 | 31.42 |
| 37 | 1989 | 31.30 |
| 38 | 1988 | 30.69 |
| 39 | 1987 | 27.36 |
| 40 | 1986 | 27.40 |
| 41 | 1985 | 27.85 |
| 42 | 1984 | 26.88 |
| 43 | 1983 | 25.97 |
| 44 | 1982 | 24.32 |
| 45 | 1981 | 23.58 |
| 46 | 1980 | 24.41 |
| 47 | 1979 | 25.76 |
| 48 | 1978 | 23.55 |
