| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2021 |
|
| 2 |
2020 |
|
| 3 |
2019 |
|
| 4 |
2018 |
|
| 5 |
2017 |
|
| 6 |
2016 |
|
| 7 |
2015 |
|
| 8 |
2014 |
|
| 9 |
2013 |
|
| 10 |
2012 |
|
| 11 |
2011 |
74.14 |
| 12 |
2010 |
72.83 |
| 13 |
2009 |
71.29 |
| 14 |
2008 |
68.13 |
| 15 |
2007 |
66.37 |
| 16 |
2006 |
65.79 |
| 17 |
2005 |
65.13 |
| 18 |
2004 |
64.31 |
| 19 |
2003 |
63.58 |
| 20 |
2002 |
62.95 |
| 21 |
2001 |
61.99 |
| 22 |
2000 |
62.49 |
| 23 |
1999 |
62.12 |
| 24 |
1998 |
61.79 |
| 25 |
1997 |
62.04 |
| 26 |
1996 |
62.17 |
| 27 |
1995 |
60.80 |
| 28 |
1994 |
60.25 |
| 29 |
1993 |
59.18 |
| 30 |
1992 |
57.48 |
| 31 |
1991 |
56.03 |
| 32 |
1990 |
54.58 |
| 33 |
1989 |
54.16 |
| 34 |
1988 |
53.16 |
| 35 |
1987 |
52.40 |
| 36 |
1986 |
51.87 |
| 37 |
1985 |
49.84 |
| 38 |
1984 |
48.68 |
| 39 |
1983 |
47.74 |
| 40 |
1982 |
47.39 |
| 41 |
1981 |
45.99 |
| 42 |
1980 |
44.73 |
| 43 |
1979 |
43.54 |
| 44 |
1978 |
42.23 |
| 45 |
1977 |
41.66 |
| 46 |
1976 |
41.33 |
| 47 |
1975 |
39.68 |
| 48 |
1974 |
39.72 |
| 49 |
1973 |
38.97 |
| 50 |
1972 |
38.04 |
| 51 |
1971 |
34.26 |
| 52 |
1970 |
33.34 |
| 53 |
1969 |
32.69 |
