| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | |
| 8 | 2018 | |
| 9 | 2017 | |
| 10 | 2016 | |
| 11 | 2015 | 31.80 |
| 12 | 2014 | 31.70 |
| 13 | 2013 | 32.60 |
| 14 | 2012 | 33.90 |
| 15 | 2011 | 35.50 |
| 16 | 2010 | 35.90 |
| 17 | 2009 | 37.30 |
| 18 | 2008 | 32.50 |
| 19 | 2007 | 31.00 |
| 20 | 2006 | 31.20 |
| 21 | 2005 | 31.10 |
| 22 | 2004 | 31.10 |
| 23 | 2003 | 31.60 |
| 24 | 2002 | 30.90 |
| 25 | 2001 | 29.40 |
| 26 | 2000 | 28.90 |
| 27 | 1999 | 29.10 |
| 28 | 1998 | 29.60 |
| 29 | 1997 | 30.20 |
| 30 | 1996 | 31.10 |
| 31 | 1995 | 31.80 |
| 32 | 1994 | 32.00 |
| 33 | 1993 | 32.60 |
| 34 | 1992 | 33.50 |
| 35 | 1991 | 33.40 |
| 36 | 1990 | 32.30 |
| 37 | 1989 | 31.30 |
| 38 | 1988 | 31.40 |
| 39 | 1987 | 31.70 |
| 40 | 1986 | 32.20 |
| 41 | 1985 | 32.20 |
| 42 | 1984 | 31.40 |
| 43 | 1983 | 33.10 |
| 44 | 1982 | 32.50 |
| 45 | 1981 | 31.30 |
| 46 | 1980 | 31.10 |
| 47 | 1979 | 29.40 |
| 48 | 1978 | 30.10 |
| 49 | 1977 | 30.70 |
| 50 | 1976 | 32.00 |
| 51 | 1975 | 31.80 |
| 52 | 1974 | 28.80 |
| 53 | 1973 | 28.60 |
| 54 | 1972 | 29.90 |
| 55 | 1971 | 29.70 |
| 56 | 1970 | 29.00 |
| 57 | 1969 | 29.10 |
| 58 | 1968 | 29.80 |
| 59 | 1967 | 28.40 |
| 60 | 1966 | 26.58 |
| 61 | 1965 | 26.12 |
| 62 | 1964 | 27.20 |
| 63 | 1963 | 27.20 |
| 64 | 1962 | 27.30 |
| 65 | 1961 | 26.90 |
| 66 | 1960 | 25.80 |
| 67 | 1959 | 26.80 |
| 68 | 1958 | 25.90 |
| 69 | 1957 | 24.30 |
| 70 | 1956 | 23.70 |
| 71 | 1955 | 24.30 |
| 72 | 1954 | 25.30 |
| 73 | 1953 | 26.40 |
| 74 | 1952 | 25.50 |
| 75 | 1951 | 20.60 |
| 76 | 1950 | 22.60 |
| 77 | 1949 | 20.40 |
| 78 | 1948 | 17.30 |
| 79 | 1947 | 20.36 |
| 80 | 1946 | 30.07 |
| 81 | 1945 | 45.62 |
| 82 | 1944 | 44.89 |
| 83 | 1943 | 43.47 |
| 84 | 1942 | 27.21 |
| 85 | 1941 | 18.44 |
| 86 | 1940 | 19.27 |
| 87 | 1939 | 20.39 |
| 88 | 1938 | 20.22 |
| 89 | 1937 | 18.51 |
| 90 | 1936 | 19.76 |
| 91 | 1935 | 19.92 |
| 92 | 1934 | 19.17 |
| 93 | 1933 | 22.07 |
| 94 | 1932 | 20.90 |
| 95 | 1931 | 15.73 |
| 96 | 1930 | 12.93 |
| 97 | 1929 | 11.16 |
| 98 | 1928 | 11.64 |
| 99 | 1927 | 11.63 |
| 100 | 1926 | 11.01 |
| 101 | 1925 | 11.33 |
| 102 | 1924 | 11.37 |
