| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2020 | |
| 2 | 2019 | |
| 3 | 2018 | |
| 4 | 2017 | |
| 5 | 2016 | |
| 6 | 2015 | |
| 7 | 2014 | 59.31 |
| 8 | 2013 | 58.20 |
| 9 | 2012 | 57.64 |
| 10 | 2011 | 56.91 |
| 11 | 2010 | 54.36 |
| 12 | 2009 | 54.00 |
| 13 | 2008 | 51.91 |
| 14 | 2007 | 49.53 |
| 15 | 2006 | 48.03 |
| 16 | 2005 | 47.41 |
| 17 | 2004 | 43.35 |
| 18 | 2003 | 41.33 |
| 19 | 2002 | 40.38 |
| 20 | 2001 | 42.16 |
| 21 | 2000 | 44.54 |
| 22 | 1999 | 47.67 |
| 23 | 1998 | 47.70 |
| 24 | 1997 | 46.50 |
| 25 | 1996 | 44.83 |
| 26 | 1995 | 43.03 |
| 27 | 1994 | 40.43 |
| 28 | 1993 | 40.16 |
| 29 | 1992 | 37.17 |
| 30 | 1991 | 35.90 |
| 31 | 1990 | 37.34 |
| 32 | 1989 | 35.89 |
| 33 | 1988 | 34.56 |
| 34 | 1987 | 33.83 |
| 35 | 1986 | 37.28 |
| 36 | 1985 | 39.55 |
| 37 | 1984 | 34.51 |
| 38 | 1983 | 31.81 |
| 39 | 1982 | 29.41 |
| 40 | 1981 | 22.80 |
| 41 | 1980 | 29.12 |
| 42 | 1979 | 33.93 |
| 43 | 1978 | 35.10 |
