| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | 71.9816 |
| 2021 | 67.3876 |
| 2020 | 62.2368 |
| 2019 | 57.2754 |
| 2018 | 54.0076 |
| 2017 | 51.5828 |
| 2016 | 49.7084 |
| 2015 | 47.4354 |
| 2014 | 43.8822 |
| 2013 | 32.762 |
| 2012 | 29.325 |
| 2011 | 26.8075 |
| 2010 | 25.2861 |
| 2009 | 23.2702 |
| 2008 | 21.8547 |
| 2007 | 21.4464 |
| 2006 | 20.5099 |
| 2005 | 18.5551 |
| 2004 | 16.7798 |
| 2003 | 14.3912 |
| 2002 | 11.7157 |
| 2001 | 9.22886 |
| 2000 | 7.5585 |
| 1999 | 6.62029 |
| 1998 | 6.28842 |
| 1997 | 5.82305 |
| 1996 | 5.29578 |
| 1995 | 4.67359 |
| 1994 | 3.77982 |
| 1993 | 2.9364 |
| 1992 | 2.81975 |
| 1991 | 2.88531 |
| 1990 | 3.00149 |
| 1989 | 3.01468 |
| 1988 | 3.08643 |
| 1987 | 3.04914 |
| 1986 | 2.77602 |
| 1985 | 2.19178 |
| 1984 | 1.90455 |
| 1983 | - |
| 1982 | - |
| 1981 | 2.03559 |
| 1980 | 1.27926 |
| 1979 | 1.01014 |
| 1978 | 0.69379 |
| 1977 | 0.62536 |
| 1976 | 0.55371 |
| 1975 | 0.45086 |
| 1974 | 0.32672 |
| 1973 | 0.2041 |
| 1972 | - |
| 1971 | - |
| 1970 | 0.12725 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |