| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
53.57 |
| 8 |
2014 |
54.72 |
| 9 |
2013 |
55.20 |
| 10 |
2012 |
55.84 |
| 11 |
2011 |
51.80 |
| 12 |
2010 |
47.90 |
| 13 |
2009 |
51.72 |
| 14 |
2008 |
54.05 |
| 15 |
2007 |
48.17 |
| 16 |
2006 |
55.88 |
| 17 |
2005 |
53.84 |
| 18 |
2004 |
54.10 |
| 19 |
2003 |
54.47 |
| 20 |
2002 |
52.23 |
| 21 |
2001 |
57.09 |
| 22 |
2000 |
59.29 |
| 23 |
1999 |
58.96 |
| 24 |
1998 |
55.93 |
| 25 |
1997 |
60.94 |
| 26 |
1996 |
62.92 |
| 27 |
1995 |
39.95 |
| 28 |
1994 |
36.74 |
| 29 |
1993 |
37.05 |
| 30 |
1992 |
37.06 |
| 31 |
1991 |
35.25 |
| 32 |
1990 |
32.73 |
| 33 |
1989 |
34.87 |
| 34 |
1988 |
31.46 |
| 35 |
1987 |
32.72 |
| 36 |
1986 |
31.20 |
| 37 |
1985 |
35.22 |
| 38 |
1984 |
35.00 |
| 39 |
1983 |
37.07 |
| 40 |
1982 |
35.13 |
| 41 |
1981 |
32.82 |
| 42 |
1980 |
46.90 |
| 43 |
1979 |
44.05 |
| 44 |
1978 |
51.27 |
| 45 |
1977 |
50.89 |
| 46 |
1976 |
52.64 |
| 47 |
1975 |
49.66 |
| 48 |
1974 |
58.39 |
