| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2017 | |
| 3 | 2016 | |
| 4 | 2015 | |
| 5 | 2014 | |
| 6 | 2013 | |
| 7 | 2012 | 69.01 |
| 8 | 2011 | 66.90 |
| 9 | 2010 | 63.85 |
| 10 | 2009 | 55.25 |
| 11 | 2008 | 43.84 |
| 12 | 2007 | 42.78 |
| 13 | 2006 | 41.16 |
| 14 | 2005 | 40.20 |
| 15 | 2004 | 35.70 |
| 16 | 2003 | 36.53 |
| 17 | 2002 | 41.58 |
| 18 | 2001 | 42.77 |
| 19 | 2000 | 30.84 |
| 20 | 1999 | 27.87 |
| 21 | 1998 | 20.72 |
| 22 | 1997 | 17.41 |
| 23 | 1996 | 17.06 |
| 24 | 1995 | 16.49 |
| 25 | 1994 | 17.48 |
| 26 | 1993 | 19.63 |
| 27 | 1992 | 20.55 |
| 28 | 1991 | 24.60 |
| 29 | 1990 | 24.30 |
| 30 | 1989 | 27.00 |
| 31 | 1988 | 26.00 |
| 32 | 1987 | 32.50 |
| 33 | 1986 | 32.20 |
| 34 | 1985 | 31.80 |
| 35 | 1980 | 35.80 |
| 36 | 1978 | 45.20 |
| 37 | 1975 | 38.60 |
| 38 | 1970 | 32.20 |
| 39 | 1965 | 28.60 |
| 40 | 1957 | 41.40 |
