年份 | 中国 |
---|---|
2023 | - |
2022 | 20.677 |
2021 | 19.944 |
2020 | 18.5861 |
2019 | 18.41 |
2018 | 19.1121 |
2017 | 19.6923 |
2016 | 19.5844 |
2015 | 21.3541 |
2014 | 23.5101 |
2013 | 24.5993 |
2012 | 25.4925 |
2011 | 26.5682 |
2010 | 27.1853 |
2009 | 24.7499 |
2008 | 32.6027 |
2007 | 35.4348 |
2006 | 36.035 |
2005 | 33.8299 |
2004 | 31.0613 |
2003 | 26.9808 |
2002 | 22.6447 |
2001 | 20.3121 |
2000 | 20.8937 |
1999 | 18.1625 |
1998 | 18.3421 |
1997 | 19.4932 |
1996 | 17.9233 |
1995 | 17.9525 |
1994 | 18.5367 |
1993 | 11.9979 |
1992 | 13.5555 |
1991 | 13.4364 |
1990 | 12.4516 |
1989 | 9.02734 |
1988 | 11.0149 |
1987 | 10.417 |
1986 | 8.71925 |
1985 | 8.32744 |
1984 | 7.89355 |
1983 | 7.20472 |
1982 | 7.95979 |
1981 | 7.44758 |
1980 | 5.91161 |
1979 | 5.16284 |
1978 | 4.55595 |
1977 | 4.29846 |
1976 | 4.51047 |
1975 | 4.70472 |
1974 | 4.9298 |
1973 | 4.24135 |
1972 | 3.24792 |
1971 | 2.78807 |
1970 | 2.49156 |
1969 | 3.0476 |
1968 | 3.30256 |
1967 | 3.27723 |
1966 | 3.49447 |
1965 | 3.63898 |
1964 | 3.76896 |
1963 | 4.00545 |
1962 | 4.05266 |
1961 | 3.87081 |
1960 | 4.30583 |