| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 47.43 |
| 8 | 2013 | 48.00 |
| 9 | 2012 | 47.17 |
| 10 | 2011 | 44.32 |
| 11 | 2010 | 42.83 |
| 12 | 2009 | 48.22 |
| 13 | 1994 | 46.67 |
| 14 | 1993 | 37.00 |
| 15 | 1992 | 35.38 |
| 16 | 1991 | 27.35 |
| 17 | 1990 | 24.28 |
| 18 | 1989 | 22.71 |
| 19 | 1988 | 28.16 |
| 20 | 1987 | 25.99 |
| 21 | 1986 | 26.93 |
| 22 | 1985 | 9.09 |
| 23 | 1984 | 17.76 |
| 24 | 1983 | 17.53 |
| 25 | 1982 | 14.82 |
| 26 | 1981 | 18.09 |
| 27 | 1980 | 14.59 |
| 28 | 1979 | 9.33 |
| 29 | 1978 | 12.31 |
| 30 | 1977 | 10.24 |
