| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 28.29 |
| 8 | 2016 | 31.48 |
| 9 | 2015 | 31.49 |
| 10 | 2013 | 36.27 |
| 11 | 2010 | 33.94 |
| 12 | 2009 | 36.40 |
| 13 | 2008 | 36.48 |
| 14 | 2007 | 36.77 |
| 15 | 2006 | 35.51 |
| 16 | 2005 | 31.89 |
| 17 | 2004 | 25.60 |
| 18 | 2003 | 24.08 |
| 19 | 2002 | 23.73 |
| 20 | 2001 | 23.10 |
| 21 | 2000 | 20.69 |
| 22 | 1999 | 22.12 |
| 23 | 1998 | 23.58 |
| 24 | 1997 | 25.23 |
| 25 | 1996 | 26.34 |
| 26 | 1995 | 27.56 |
| 27 | 1994 | 28.82 |
| 28 | 1993 | 27.98 |
| 29 | 1992 | 35.86 |
| 30 | 1991 | 20.13 |
| 31 | 1990 | 29.25 |
| 32 | 1987 | 12.54 |
| 33 | 1986 | 10.50 |
| 34 | 1985 | 11.39 |
| 35 | 1984 | 9.91 |
| 36 | 1983 | 11.59 |
| 37 | 1982 | 12.06 |
| 38 | 1981 | 11.33 |
| 39 | 1980 | 12.13 |
| 40 | 1979 | 13.69 |
| 41 | 1978 | 13.05 |
| 42 | 1977 | 9.98 |
| 43 | 1976 | 15.40 |
