| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2014 |
|
| 2 |
2013 |
|
| 3 |
2012 |
|
| 4 |
2011 |
|
| 5 |
2010 |
|
| 6 |
2009 |
|
| 7 |
2008 |
77.92 |
| 8 |
2007 |
80.33 |
| 9 |
2006 |
81.29 |
| 10 |
2005 |
73.65 |
| 11 |
2004 |
73.99 |
| 12 |
2003 |
75.08 |
| 13 |
2002 |
76.43 |
| 14 |
2001 |
80.82 |
| 15 |
2000 |
76.11 |
| 16 |
1999 |
70.66 |
| 17 |
1998 |
68.26 |
| 18 |
1997 |
64.06 |
| 19 |
1996 |
60.93 |
| 20 |
1995 |
58.54 |
| 21 |
1994 |
55.22 |
| 22 |
1993 |
50.87 |
| 23 |
1992 |
46.71 |
| 24 |
1991 |
42.28 |
| 25 |
1990 |
35.18 |
| 26 |
1989 |
27.98 |
| 27 |
1988 |
28.65 |
| 28 |
1987 |
33.88 |
| 29 |
1986 |
35.25 |
| 30 |
1985 |
34.70 |
| 31 |
1984 |
34.91 |
| 32 |
1983 |
33.95 |
| 33 |
1982 |
34.14 |
| 34 |
1981 |
33.50 |
| 35 |
1980 |
31.88 |
| 36 |
1979 |
31.73 |
| 37 |
1978 |
29.42 |
| 38 |
1977 |
29.23 |
| 39 |
1976 |
26.68 |
| 40 |
1975 |
26.53 |
| 41 |
1974 |
24.26 |
| 42 |
1973 |
23.23 |
| 43 |
1972 |
23.48 |
| 44 |
1971 |
19.83 |
| 45 |
1970 |
18.97 |
| 46 |
1969 |
16.09 |
| 47 |
1968 |
18.56 |
| 48 |
1967 |
17.47 |
| 49 |
1966 |
16.03 |
| 50 |
1965 |
14.63 |
| 51 |
1964 |
13.52 |
| 52 |
1963 |
15.32 |
| 53 |
1962 |
13.33 |
| 54 |
1961 |
12.57 |
| 55 |
1960 |
13.09 |
