| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | 38.1438 |
| 2021 | 37.302 |
| 2020 | 34.7543 |
| 2019 | 35.8901 |
| 2018 | 37.5658 |
| 2017 | 37.6324 |
| 2016 | 36.8944 |
| 2015 | 39.4642 |
| 2014 | 44.9052 |
| 2013 | 46.7444 |
| 2012 | 48.2675 |
| 2011 | 50.7409 |
| 2010 | 50.7171 |
| 2009 | 45.1849 |
| 2008 | 57.6127 |
| 2007 | 62.1934 |
| 2006 | 64.4789 |
| 2005 | 62.2079 |
| 2004 | 59.5055 |
| 2003 | 51.804 |
| 2002 | 42.7474 |
| 2001 | 38.5274 |
| 2000 | 39.411 |
| 1999 | 33.5242 |
| 1998 | 32.4243 |
| 1997 | 34.533 |
| 1996 | 33.8147 |
| 1995 | 34.277 |
| 1994 | 35.7698 |
| 1993 | 25.9004 |
| 1992 | 26.0976 |
| 1991 | 24.0663 |
| 1990 | 22.1995 |
| 1989 | 19.1347 |
| 1988 | 23.0255 |
| 1987 | 20.745 |
| 1986 | 19.8976 |
| 1985 | 20.6896 |
| 1984 | 15.7699 |
| 1983 | 13.5658 |
| 1982 | 14.2248 |
| 1981 | 14.8972 |
| 1980 | 12.4248 |
| 1979 | 11.0866 |
| 1978 | 9.65014 |
| 1977 | 8.38461 |
| 1976 | 8.83691 |
| 1975 | 9.5542 |
| 1974 | 10.3335 |
| 1973 | 8.00014 |
| 1972 | 5.75537 |
| 1971 | 4.92084 |
| 1970 | 4.95241 |
| 1969 | 5.45306 |
| 1968 | 6.22097 |
| 1967 | 6.25348 |
| 1966 | 6.7295 |
| 1965 | 6.82814 |
| 1964 | 6.6331 |
| 1963 | 6.86534 |
| 1962 | 6.96094 |
| 1961 | 7.36022 |
| 1960 | 8.7341 |