| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 78.211 |
| 2020 | 78.077 |
| 2019 | 77.968 |
| 2018 | 77.744 |
| 2017 | 77.248 |
| 2016 | 77.218 |
| 2015 | 76.977 |
| 2014 | 76.717 |
| 2013 | 76.452 |
| 2012 | 76.192 |
| 2011 | 75.903 |
| 2010 | 75.599 |
| 2009 | 75.343 |
| 2008 | 74.872 |
| 2007 | 74.762 |
| 2006 | 74.504 |
| 2005 | 74.111 |
| 2004 | 73.748 |
| 2003 | 73.371 |
| 2002 | 72.985 |
| 2001 | 72.606 |
| 2000 | 71.881 |
| 1999 | 71.419 |
| 1998 | 71.172 |
| 1997 | 70.672 |
| 1996 | 70.266 |
| 1995 | 70.008 |
| 1994 | 69.52 |
| 1993 | 69.216 |
| 1992 | 68.734 |
| 1991 | 68.169 |
| 1990 | 68.005 |
| 1989 | 67.838 |
| 1988 | 67.581 |
| 1987 | 67.288 |
| 1986 | 66.97 |
| 1985 | 66.643 |
| 1984 | 66.3 |
| 1983 | 65.904 |
| 1982 | 65.463 |
| 1981 | 64.975 |
| 1980 | 64.42 |
| 1979 | 63.865 |
| 1978 | 63.218 |
| 1977 | 62.538 |
| 1976 | 61.796 |
| 1975 | 60.917 |
| 1974 | 60.168 |
| 1973 | 59.389 |
| 1972 | 58.418 |
| 1971 | 57.565 |
| 1970 | 56.607 |
| 1969 | 55.738 |
| 1968 | 55.057 |
| 1967 | 54.351 |
| 1966 | 53.637 |
| 1965 | 52.912 |
| 1964 | 52.156 |
| 1963 | 51.408 |
| 1962 | 50.818 |
| 1961 | 40.468 |
| 1960 | 33.275 |