| 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 | 36.04 |
| 12 | 2011 | 38.79 |
| 13 | 2010 | 30.64 |
| 14 | 2009 | 30.31 |
| 15 | 2008 | 36.53 |
| 16 | 2007 | 31.37 |
| 17 | 2006 | 32.84 |
| 18 | 2005 | 35.64 |
| 19 | 2004 | 28.70 |
| 20 | 2003 | 29.46 |
| 21 | 2002 | 28.24 |
| 22 | 2001 | 25.99 |
| 23 | 2000 | 22.41 |
| 24 | 1999 | 21.67 |
| 25 | 1998 | 31.22 |
| 26 | 1997 | 35.09 |
| 27 | 1996 | 33.36 |
| 28 | 1995 | 40.00 |
| 29 | 1994 | 39.22 |
| 30 | 1993 | 45.04 |
| 31 | 1992 | 48.40 |
| 32 | 1985 | 35.07 |
| 33 | 1984 | 40.66 |
| 34 | 1983 | 42.83 |
| 35 | 1982 | 42.34 |
| 36 | 1981 | 47.64 |
| 37 | 1980 | 45.41 |
| 38 | 1979 | 51.87 |
| 39 | 1978 | 53.66 |
| 40 | 1977 | 57.00 |
