| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
79.68 |
| 8 |
2014 |
79.42 |
| 9 |
2013 |
78.81 |
| 10 |
2012 |
78.30 |
| 11 |
2011 |
78.09 |
| 12 |
2010 |
78.00 |
| 13 |
2009 |
77.66 |
| 14 |
2008 |
76.55 |
| 15 |
2007 |
76.10 |
| 16 |
2006 |
75.86 |
| 17 |
2005 |
75.64 |
| 18 |
2004 |
75.15 |
| 19 |
2003 |
74.86 |
| 20 |
2002 |
74.52 |
| 21 |
2001 |
73.61 |
| 22 |
2000 |
72.73 |
| 23 |
1999 |
72.02 |
| 24 |
1998 |
71.06 |
| 25 |
1997 |
71.21 |
| 26 |
1996 |
70.87 |
| 27 |
1995 |
71.03 |
| 28 |
1994 |
70.85 |
| 29 |
1993 |
70.61 |
| 30 |
1992 |
70.13 |
| 31 |
1991 |
69.69 |
| 32 |
1990 |
67.25 |
| 33 |
1989 |
66.77 |
| 34 |
1988 |
66.56 |
| 35 |
1987 |
66.01 |
| 36 |
1986 |
66.50 |
| 37 |
1985 |
65.27 |
| 38 |
1984 |
65.10 |
| 39 |
1983 |
64.65 |
| 40 |
1982 |
64.14 |
| 41 |
1981 |
63.10 |
| 42 |
1980 |
62.19 |
| 43 |
1979 |
61.65 |
| 44 |
1978 |
60.90 |
| 45 |
1977 |
59.58 |
| 46 |
1976 |
58.32 |
| 47 |
1975 |
57.36 |
| 48 |
1974 |
56.61 |
| 49 |
1973 |
56.41 |
| 50 |
1972 |
56.14 |
| 51 |
1971 |
55.03 |
| 52 |
1970 |
53.84 |
| 53 |
1969 |
50.90 |
