| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 30.82 |
| 8 | 2016 | 33.21 |
| 9 | 2015 | 33.46 |
| 10 | 2014 | 34.37 |
| 11 | 2013 | 37.37 |
| 12 | 2012 | 34.81 |
| 13 | 2011 | 27.06 |
| 14 | 2010 | 25.07 |
| 15 | 2009 | 25.15 |
| 16 | 2008 | 27.83 |
| 17 | 2007 | 31.37 |
| 18 | 2006 | 33.82 |
| 19 | 2005 | 37.34 |
| 20 | 1991 | 48.26 |
| 21 | 1990 | 50.45 |
| 22 | 1989 | 49.89 |
| 23 | 1988 | 45.85 |
| 24 | 1987 | 42.91 |
| 25 | 1986 | 36.40 |
| 26 | 1985 | 35.01 |
| 27 | 1984 | 36.63 |
| 28 | 1983 | 36.60 |
| 29 | 1982 | 39.45 |
| 30 | 1981 | 40.20 |
| 31 | 1980 | 39.64 |
| 32 | 1979 | 37.32 |
| 33 | 1978 | 35.63 |
| 34 | 1977 | 37.08 |
