| 序号 |
时间(年) |
数据(单位：%) |
| 1 |
2025 |
|
| 2 |
2024 |
|
| 3 |
2023 |
|
| 4 |
2022 |
|
| 5 |
2021 |
|
| 6 |
2020 |
|
| 7 |
2019 |
|
| 8 |
2018 |
|
| 9 |
2017 |
|
| 10 |
2016 |
|
| 11 |
2015 |
45.15 |
| 12 |
2014 |
42.37 |
| 13 |
2013 |
38.93 |
| 14 |
2012 |
36.44 |
| 15 |
2011 |
34.76 |
| 16 |
2010 |
35.25 |
| 17 |
2009 |
34.29 |
| 18 |
2008 |
32.73 |
| 19 |
2007 |
32.91 |
| 20 |
2006 |
34.55 |
| 21 |
2005 |
34.14 |
| 22 |
2004 |
30.23 |
| 23 |
2003 |
31.89 |
| 24 |
2002 |
32.41 |
| 25 |
2001 |
32.20 |
| 26 |
2000 |
29.02 |
| 27 |
1999 |
28.02 |
| 28 |
1998 |
35.00 |
| 29 |
1997 |
34.41 |
| 30 |
1996 |
34.10 |
| 31 |
1995 |
33.70 |
| 32 |
1994 |
26.27 |
| 33 |
1993 |
30.28 |
| 34 |
1992 |
30.20 |
| 35 |
1991 |
28.27 |
| 36 |
1990 |
27.08 |
| 37 |
1989 |
27.08 |
| 38 |
1988 |
26.44 |
| 39 |
1987 |
27.03 |
| 40 |
1986 |
26.25 |
| 41 |
1985 |
25.86 |
| 42 |
1984 |
27.49 |
| 43 |
1983 |
26.48 |
| 44 |
1982 |
23.97 |
| 45 |
1981 |
24.44 |
| 46 |
1980 |
22.51 |
| 47 |
1979 |
22.18 |
| 48 |
1978 |
31.75 |
| 49 |
1977 |
25.34 |
| 50 |
1976 |
17.77 |
| 51 |
1975 |
15.03 |
| 52 |
1974 |
16.56 |
| 53 |
1973 |
19.73 |
| 54 |
1972 |
19.12 |
| 55 |
1971 |
16.52 |
| 56 |
1970 |
35.58 |
| 57 |
1969 |
34.02 |
| 58 |
1968 |
38.37 |
| 59 |
1967 |
35.96 |
| 60 |
1966 |
43.68 |
| 61 |
1965 |
41.86 |
| 62 |
1964 |
36.49 |
| 63 |
1963 |
39.06 |
| 64 |
1962 |
44.00 |
| 65 |
1961 |
40.00 |
| 66 |
1960 |
33.34 |
| 67 |
1959 |
22.99 |
| 68 |
1958 |
21.69 |
| 69 |
1957 |
32.89 |
| 70 |
1956 |
20.51 |
| 71 |
1955 |
25.71 |
| 72 |
1954 |
23.33 |
| 73 |
1953 |
29.82 |
| 74 |
1952 |
36.54 |
| 75 |
1951 |
34.15 |
| 76 |
1950 |
36.11 |
| 77 |
1949 |
38.71 |
