| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2022 | |
| 2 | 2021 | |
| 3 | 2020 | |
| 4 | 2019 | |
| 5 | 2018 | |
| 6 | 2017 | |
| 7 | 2016 | |
| 8 | 2015 | |
| 9 | 2014 | |
| 10 | 2013 | |
| 11 | 2012 | 33.22 |
| 12 | 1998 | 59.44 |
| 13 | 1997 | 60.86 |
| 14 | 1996 | 60.72 |
| 15 | 1995 | 40.08 |
| 16 | 1994 | 41.60 |
| 17 | 1993 | 39.22 |
| 18 | 1992 | 40.59 |
| 19 | 1991 | 38.64 |
| 20 | 1990 | 33.92 |
| 21 | 1989 | 37.80 |
| 22 | 1988 | 33.92 |
| 23 | 1987 | 39.97 |
| 24 | 1986 | 33.20 |
| 25 | 1985 | 19.30 |
| 26 | 1984 | 24.55 |
| 27 | 1983 | 23.04 |
| 28 | 1982 | 17.54 |
| 29 | 1981 | 13.59 |
| 30 | 1980 | 11.92 |
| 31 | 1979 | 11.70 |
| 32 | 1978 | 17.71 |
| 33 | 1977 | 21.69 |
| 34 | 1976 | 35.16 |
| 35 | 1975 | 31.36 |