| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | 23.17 |
| 8 | 2015 | 25.01 |
| 9 | 2014 | 26.43 |
| 10 | 2013 | 28.45 |
| 11 | 2012 | 26.12 |
| 12 | 2011 | 29.19 |
| 13 | 2010 | 31.71 |
| 14 | 2009 | 33.89 |
| 15 | 2008 | 39.48 |
| 16 | 2007 | 44.75 |
| 17 | 2006 | 44.24 |
| 18 | 2005 | 35.15 |
| 19 | 2004 | 43.52 |
| 20 | 2003 | 43.02 |
| 21 | 2002 | 31.47 |
| 22 | 2001 | 31.51 |
| 23 | 2000 | 44.58 |
| 24 | 1999 | 45.11 |
| 25 | 1998 | 48.49 |
| 26 | 1997 | 42.94 |
| 27 | 1996 | 42.98 |
| 28 | 1995 | 38.94 |
| 29 | 1994 | 53.68 |
| 30 | 1993 | 51.91 |
| 31 | 1992 | 47.92 |
| 32 | 1991 | 52.03 |
| 33 | 1990 | 49.63 |
| 34 | 1989 | 50.01 |
| 35 | 1988 | 38.29 |
| 36 | 1987 | 39.34 |
| 37 | 1986 | 35.95 |
| 38 | 1985 | 38.32 |
| 39 | 1984 | 36.23 |
| 40 | 1983 | 40.11 |
| 41 | 1982 | 43.94 |
| 42 | 1981 | 40.84 |
| 43 | 1980 | 45.70 |
| 44 | 1979 | 44.18 |
| 45 | 1978 | 46.41 |
| 46 | 1977 | 50.07 |
| 47 | 1976 | 52.85 |
| 48 | 1975 | 53.75 |
