| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2020 |
|
| 2 |
2019 |
|
| 3 |
2018 |
|
| 4 |
2017 |
|
| 5 |
2016 |
|
| 6 |
2015 |
|
| 7 |
2014 |
42.31 |
| 8 |
2013 |
41.70 |
| 9 |
2012 |
41.42 |
| 10 |
2011 |
39.07 |
| 11 |
2010 |
40.61 |
| 12 |
2009 |
41.67 |
| 13 |
2008 |
41.62 |
| 14 |
2007 |
42.97 |
| 15 |
2006 |
43.13 |
| 16 |
2005 |
42.53 |
| 17 |
2004 |
43.24 |
| 18 |
2003 |
43.77 |
| 19 |
2002 |
47.16 |
| 20 |
2001 |
45.14 |
| 21 |
2000 |
44.42 |
| 22 |
1999 |
43.82 |
| 23 |
1998 |
43.43 |
| 24 |
1997 |
44.01 |
| 25 |
1996 |
45.00 |
| 26 |
1995 |
47.33 |
| 27 |
1994 |
48.42 |
| 28 |
1993 |
51.48 |
| 29 |
1992 |
55.71 |
| 30 |
1991 |
59.21 |
| 31 |
1990 |
57.89 |
| 32 |
1989 |
58.45 |
| 33 |
1988 |
61.92 |
| 34 |
1987 |
60.98 |
| 35 |
1986 |
60.08 |
| 36 |
1985 |
57.90 |
| 37 |
1984 |
56.16 |
| 38 |
1983 |
55.20 |
| 39 |
1982 |
55.75 |
| 40 |
1981 |
57.99 |
| 41 |
1980 |
52.31 |
| 42 |
1979 |
51.39 |
| 43 |
1978 |
50.96 |
