| 序号 | 时间 (年) |
数据 (%) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | 51.88 |
| 8 | 2016 | 51.97 |
| 9 | 2015 | 52.50 |
| 10 | 2014 | 52.36 |
| 11 | 2013 | 52.47 |
| 12 | 2012 | 51.13 |
| 13 | 2011 | 48.60 |
| 14 | 2010 | 48.10 |
| 15 | 2009 | 46.02 |
| 16 | 2008 | 46.14 |
| 17 | 2007 | 46.20 |
| 18 | 2006 | 46.23 |
| 19 | 2005 | 46.14 |
| 20 | 2004 | 46.40 |
| 21 | 2003 | 46.36 |
| 22 | 2002 | 46.25 |
| 23 | 2001 | 46.02 |
| 24 | 2000 | 45.29 |
| 25 | 1999 | 44.95 |
| 26 | 1998 | 45.31 |
| 27 | 1997 | 45.35 |
| 28 | 1996 | 45.11 |
| 29 | 1995 | 44.82 |
| 30 | 1994 | 44.05 |
| 31 | 1993 | 42.67 |
| 32 | 1992 | 41.06 |
| 33 | 1991 | 40.73 |
| 34 | 1990 | 40.36 |
| 35 | 1989 | 40.38 |
| 36 | 1988 | 39.79 |
| 37 | 1987 | 39.32 |
| 38 | 1986 | 38.62 |
| 39 | 1985 | 37.68 |
| 40 | 1984 | 36.59 |
| 41 | 1983 | 35.98 |
| 42 | 1982 | 35.41 |
| 43 | 1981 | 35.06 |
| 44 | 1980 | 34.39 |
| 45 | 1979 | 33.86 |
| 46 | 1978 | 32.36 |
| 47 | 1977 | 31.83 |
| 48 | 1976 | 31.80 |
| 49 | 1975 | 31.33 |
| 50 | 1974 | 31.42 |
| 51 | 1973 | 31.51 |
| 52 | 1972 | 31.39 |
| 53 | 1971 | 30.66 |
| 54 | 1970 | 31.10 |
| 55 | 1969 | 29.25 |
| 56 | 1968 | 29.71 |
| 57 | 1967 | 29.80 |
| 58 | 1966 | 29.30 |
| 59 | 1965 | 29.96 |
| 60 | 1964 | 29.71 |
| 61 | 1963 | 31.61 |
| 62 | 1962 | 32.20 |
| 63 | 1961 | 38.50 |
| 64 | 1960 | 41.45 |
| 65 | 1959 | 35.63 |
| 66 | 1958 | 29.06 |
| 67 | 1957 | 27.16 |
| 68 | 1956 | 25.41 |
| 69 | 1955 | 28.75 |
| 70 | 1954 | 28.31 |
| 71 | 1953 | 24.81 |
| 72 | 1952 | 21.88 |
| 73 | 1951 | 27.14 |
| 74 | 1950 | 24.93 |
| 75 | 1949 | 23.98 |
