| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2013 | |
| 10 | 2012 | |
| 11 | 2010 | 22.48 |
| 12 | 2009 | 22.07 |
| 13 | 2008 | 21.89 |
| 14 | 2007 | 21.02 |
| 15 | 2006 | 20.83 |
| 16 | 2005 | 19.42 |
| 17 | 2004 | 21.82 |
| 18 | 2003 | 23.67 |
| 19 | 2002 | 24.24 |
| 20 | 2001 | 22.53 |
| 21 | 2000 | 21.04 |
| 22 | 1999 | 23.42 |
| 23 | 1997 | 26.31 |
| 24 | 1996 | 27.80 |
| 25 | 1995 | 26.22 |
| 26 | 1994 | 27.97 |
| 27 | 1993 | 27.25 |
| 28 | 1987 | 26.84 |
| 29 | 1986 | 27.79 |
| 30 | 1985 | 26.36 |
| 31 | 1983 | 29.12 |
| 32 | 1981 | 31.03 |
| 33 | 1980 | 27.34 |
| 34 | 1979 | 32.67 |
| 35 | 1978 | 34.73 |
| 36 | 1977 | 35.07 |
