| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 81.155 |
| 2020 | 81.058 |
| 2019 | 80.816 |
| 2018 | 80.637 |
| 2017 | 80.321 |
| 2016 | 80.053 |
| 2015 | 79.772 |
| 2014 | 79.499 |
| 2013 | 79.223 |
| 2012 | 78.983 |
| 2011 | 78.644 |
| 2010 | 78.326 |
| 2009 | 78.066 |
| 2008 | 77.562 |
| 2007 | 77.492 |
| 2006 | 77.167 |
| 2005 | 76.819 |
| 2004 | 76.433 |
| 2003 | 76.044 |
| 2002 | 75.64 |
| 2001 | 75.258 |
| 2000 | 74.189 |
| 1999 | 73.582 |
| 1998 | 73.587 |
| 1997 | 72.915 |
| 1996 | 72.503 |
| 1995 | 72.308 |
| 1994 | 71.736 |
| 1993 | 71.548 |
| 1992 | 70.965 |
| 1991 | 70.333 |
| 1990 | 70.424 |
| 1989 | 70.331 |
| 1988 | 70.094 |
| 1987 | 69.795 |
| 1986 | 69.411 |
| 1985 | 69.06 |
| 1984 | 68.687 |
| 1983 | 68.287 |
| 1982 | 67.807 |
| 1981 | 67.305 |
| 1980 | 66.719 |
| 1979 | 66.133 |
| 1978 | 65.463 |
| 1977 | 64.747 |
| 1976 | 63.97 |
| 1975 | 63.084 |
| 1974 | 62.282 |
| 1973 | 61.382 |
| 1972 | 60.367 |
| 1971 | 59.487 |
| 1970 | 58.617 |
| 1969 | 57.774 |
| 1968 | 57.123 |
| 1967 | 56.466 |
| 1966 | 55.786 |
| 1965 | 55.135 |
| 1964 | 54.337 |
| 1963 | 53.608 |
| 1962 | 53.04 |
| 1961 | 42.148 |
| 1960 | 34.615 |