年份 | 中国 |
---|---|
2023 | - |
2022 | - |
2021 | 7.52 |
2020 | 8.52 |
2019 | 10.41 |
2018 | 10.86 |
2017 | 12.64 |
2016 | 13.57 |
2015 | 11.99 |
2014 | 13.83 |
2013 | 13.03 |
2012 | 14.57 |
2011 | 13.27 |
2010 | 11.9 |
2009 | 11.95 |
2008 | 12.14 |
2007 | 12.1 |
2006 | 12.09 |
2005 | 12.4 |
2004 | 12.29 |
2003 | 12.41 |
2002 | 12.86 |
2001 | 13.38 |
2000 | 14.03 |
1999 | 14.64 |
1998 | 15.64 |
1997 | 16.57 |
1996 | 16.98 |
1995 | 17.12 |
1994 | 17.7 |
1993 | 18.09 |
1992 | 18.27 |
1991 | 19.68 |
1990 | 21.06 |
1989 | 21.58 |
1988 | 22.37 |
1987 | 23.33 |
1986 | 22.43 |
1985 | 21.04 |
1984 | 19.9 |
1983 | 20.19 |
1982 | 22.28 |
1981 | 20.91 |
1980 | 18.21 |
1979 | 17.82 |
1978 | 18.25 |
1977 | 18.93 |
1976 | 19.91 |
1975 | 23.01 |
1974 | 24.82 |
1973 | 27.93 |
1972 | 29.77 |
1971 | 30.65 |
1970 | 33.43 |
1969 | 34.11 |
1968 | 35.59 |
1967 | 33.96 |
1966 | 35.05 |
1965 | 37.88 |
1964 | 39.14 |
1963 | 43.37 |
1962 | 37.01 |
1961 | 18.02 |
1960 | 20.86 |