| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | 63.56 |
| 2021 | 62.512 |
| 2020 | 61.428 |
| 2019 | 60.308 |
| 2018 | 59.152 |
| 2017 | 57.96 |
| 2016 | 56.736 |
| 2015 | 55.5 |
| 2014 | 54.259 |
| 2013 | 53.013 |
| 2012 | 51.765 |
| 2011 | 50.511 |
| 2010 | 49.226 |
| 2009 | 47.88 |
| 2008 | 46.539 |
| 2007 | 45.199 |
| 2006 | 43.868 |
| 2005 | 42.522 |
| 2004 | 41.144 |
| 2003 | 39.776 |
| 2002 | 38.425 |
| 2001 | 37.093 |
| 2000 | 35.877 |
| 1999 | 34.865 |
| 1998 | 33.867 |
| 1997 | 32.883 |
| 1996 | 31.916 |
| 1995 | 30.961 |
| 1994 | 30.024 |
| 1993 | 29.103 |
| 1992 | 28.2 |
| 1991 | 27.312 |
| 1990 | 26.442 |
| 1989 | 25.701 |
| 1988 | 24.974 |
| 1987 | 24.259 |
| 1986 | 23.559 |
| 1985 | 22.874 |
| 1984 | 22.203 |
| 1983 | 21.545 |
| 1982 | 20.902 |
| 1981 | 20.118 |
| 1980 | 19.358 |
| 1979 | 18.617 |
| 1978 | 17.9 |
| 1977 | 17.52 |
| 1976 | 17.46 |
| 1975 | 17.4 |
| 1974 | 17.292 |
| 1973 | 17.184 |
| 1972 | 17.184 |
| 1971 | 17.292 |
| 1970 | 17.4 |
| 1969 | 17.528 |
| 1968 | 17.656 |
| 1967 | 17.785 |
| 1966 | 17.915 |
| 1965 | 18.086 |
| 1964 | 18.299 |
| 1963 | 17.757 |
| 1962 | 17.226 |
| 1961 | 16.708 |
| 1960 | 16.203 |