| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
39.90 |
| 8 |
2018 |
41.30 |
| 9 |
2017 |
42.70 |
| 10 |
2016 |
43.50 |
| 11 |
2015 |
44.90 |
| 12 |
2014 |
46.40 |
| 13 |
2013 |
47.80 |
| 14 |
2012 |
49.50 |
| 15 |
2011 |
51.10 |
| 16 |
2010 |
52.20 |
| 17 |
2009 |
53.90 |
| 18 |
2008 |
55.00 |
| 19 |
2007 |
55.10 |
| 20 |
2006 |
55.70 |
| 21 |
2005 |
55.40 |
| 22 |
2004 |
55.10 |
| 23 |
2003 |
52.40 |
| 24 |
2002 |
50.00 |
| 25 |
2001 |
49.20 |
| 26 |
2000 |
49.80 |
| 27 |
1999 |
48.60 |
| 28 |
1998 |
48.50 |
| 29 |
1997 |
48.10 |
| 30 |
1996 |
47.30 |
| 31 |
1995 |
47.60 |
| 32 |
1994 |
49.20 |
| 33 |
1993 |
49.00 |
| 34 |
1992 |
45.49 |
| 35 |
1991 |
41.20 |
| 36 |
1990 |
42.09 |
| 37 |
1989 |
44.80 |
| 38 |
1988 |
44.48 |
| 39 |
1987 |
43.10 |
| 40 |
1986 |
42.21 |
| 41 |
1985 |
43.00 |
| 42 |
1984 |
41.14 |
| 43 |
1983 |
38.87 |
| 44 |
1982 |
42.00 |
| 45 |
1981 |
44.84 |
| 46 |
1980 |
50.02 |
| 47 |
1979 |
50.75 |
| 48 |
1978 |
52.94 |
| 49 |
1977 |
46.04 |
| 50 |
1976 |
47.16 |
| 51 |
1975 |
45.31 |
| 52 |
1974 |
36.27 |
| 53 |
1973 |
42.76 |
| 54 |
1972 |
43.20 |
| 55 |
1971 |
44.03 |
| 56 |
1970 |
42.52 |
| 57 |
1969 |
36.57 |
| 58 |
1968 |
37.68 |
| 59 |
1967 |
35.63 |
| 60 |
1966 |
35.29 |
| 61 |
1965 |
33.50 |
| 62 |
1964 |
32.70 |
| 63 |
1963 |
28.24 |
| 64 |
1962 |
26.27 |
| 65 |
1961 |
31.80 |
| 66 |
1960 |
43.53 |
| 67 |
1959 |
36.68 |
| 68 |
1958 |
32.52 |
| 69 |
1957 |
28.70 |
| 70 |
1956 |
25.88 |
| 71 |
1955 |
19.70 |
| 72 |
1954 |
20.72 |
| 73 |
1953 |
20.31 |
| 74 |
1952 |
16.60 |
