| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 19.29 |
| 8 | 2016 | 20.79 |
| 9 | 2015 | 24.23 |
| 10 | 2014 | 22.80 |
| 11 | 2013 | 23.24 |
| 12 | 2012 | 22.98 |
| 13 | 2011 | 25.73 |
| 14 | 2010 | 23.80 |
| 15 | 2009 | 23.80 |
| 16 | 2008 | 25.90 |
| 17 | 2007 | 29.67 |
| 18 | 2006 | 29.56 |
| 19 | 2005 | 29.73 |
| 20 | 2004 | 30.52 |
| 21 | 2003 | 33.31 |
| 22 | 2002 | 36.34 |
| 23 | 2001 | 41.59 |
| 24 | 2000 | 41.53 |
| 25 | 1999 | 37.96 |
| 26 | 1998 | 38.45 |
| 27 | 1997 | 36.75 |
| 28 | 1996 | 36.09 |
| 29 | 1995 | 38.72 |
| 30 | 1994 | 42.77 |
| 31 | 1993 | 42.22 |
| 32 | 1987 | 43.67 |
| 33 | 1986 | 35.10 |
| 34 | 1985 | 35.02 |
| 35 | 1984 | 36.77 |
| 36 | 1983 | 29.50 |
| 37 | 1982 | 32.00 |
| 38 | 1981 | 29.69 |
| 39 | 1980 | 37.93 |
| 40 | 1979 | 47.42 |
| 41 | 1978 | 42.51 |
| 42 | 1977 | 39.08 |
| 43 | 1976 | 33.82 |
| 44 | 1975 | 29.96 |
| 45 | 1974 | 22.15 |
| 46 | 1972 | 18.32 |
| 47 | 1971 | 19.89 |
| 48 | 1970 | 20.00 |
