| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2011 |
|
| 2 |
2010 |
|
| 3 |
2009 |
|
| 4 |
2008 |
|
| 5 |
2007 |
|
| 6 |
2006 |
|
| 7 |
2005 |
47.71 |
| 8 |
2004 |
45.06 |
| 9 |
2003 |
45.36 |
| 10 |
2002 |
45.04 |
| 11 |
2001 |
47.60 |
| 12 |
2000 |
47.80 |
| 13 |
1999 |
48.90 |
| 14 |
1998 |
50.50 |
| 15 |
1997 |
51.10 |
| 16 |
1996 |
50.58 |
| 17 |
1995 |
47.83 |
| 18 |
1994 |
44.30 |
| 19 |
1993 |
77.98 |
| 20 |
1992 |
71.88 |
| 21 |
1991 |
70.21 |
| 22 |
1990 |
66.21 |
| 23 |
1989 |
69.10 |
| 24 |
1988 |
67.10 |
| 25 |
1987 |
66.50 |
| 26 |
1986 |
63.30 |
| 27 |
1985 |
61.61 |
| 28 |
1984 |
59.50 |
| 29 |
1983 |
64.20 |
| 30 |
1982 |
71.40 |
| 31 |
1981 |
73.50 |
| 32 |
1980 |
75.48 |
| 33 |
1979 |
79.80 |
| 34 |
1978 |
84.48 |
| 35 |
1977 |
87.00 |
| 36 |
1976 |
87.30 |
| 37 |
1975 |
88.20 |
| 38 |
1974 |
82.80 |
| 39 |
1973 |
85.20 |
| 40 |
1972 |
86.20 |
| 41 |
1971 |
84.00 |
| 42 |
1970 |
72.40 |
| 43 |
1969 |
67.50 |
| 44 |
1968 |
70.40 |
| 45 |
1967 |
68.40 |
| 46 |
1966 |
64.80 |
| 47 |
1965 |
67.00 |
| 48 |
1964 |
74.80 |
| 49 |
1963 |
76.90 |
| 50 |
1962 |
70.30 |
| 51 |
1961 |
78.50 |
| 52 |
1960 |
75.00 |
| 53 |
1959 |
75.60 |
| 54 |
1958 |
19.60 |
| 55 |
1957 |
26.50 |
| 56 |
1956 |
20.70 |
| 57 |
1955 |
22.40 |
| 58 |
1954 |
23.40 |
| 59 |
1953 |
17.00 |
