| 年份 | 中国  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.00258 | 
| 2021 | 8.35172 | 
| 2020 | 1.99556 | 
| 2019 | 5.57532 | 
| 2018 | 6.2517 | 
| 2017 | 6.30186 | 
| 2016 | 6.23822 | 
| 2015 | 6.42074 | 
| 2014 | 6.75076 | 
| 2013 | 7.05073 | 
| 2012 | 7.13452 | 
| 2011 | 8.95382 | 
| 2010 | 10.1028 | 
| 2009 | 8.85595 | 
| 2008 | 9.09028 | 
| 2007 | 13.6358 | 
| 2006 | 12.0933 | 
| 2005 | 10.7414 | 
| 2004 | 9.46156 | 
| 2003 | 9.35478 | 
| 2002 | 8.40488 | 
| 2001 | 7.55165 | 
| 2000 | 7.6386 | 
| 1999 | 6.73349 | 
| 1998 | 6.81606 | 
| 1997 | 8.1245 | 
| 1996 | 8.77643 | 
| 1995 | 9.75496 | 
| 1994 | 11.7664 | 
| 1993 | 12.582 | 
| 1992 | 12.8332 | 
| 1991 | 7.78209 | 
| 1990 | 2.40656 | 
| 1989 | 2.62086 | 
| 1988 | 9.44617 | 
| 1987 | 9.88116 | 
| 1986 | 7.34143 | 
| 1985 | 11.8966 | 
| 1984 | 13.69 | 
| 1983 | 9.18114 | 
| 1982 | 7.42341 | 
| 1981 | 3.7749 | 
| 1980 | 6.49011 | 
| 1979 | 6.16566 | 
| 1978 | 9.84616 | 
| 1977 | 6.114 | 
| 1976 | -3.08132 | 
| 1975 | 6.81644 | 
| 1974 | 0.218006 | 
| 1973 | 5.32729 | 
| 1972 | 1.29011 | 
| 1971 | 4.15918 | 
| 1970 | 16.0504 | 
| 1969 | 13.7793 | 
| 1968 | -6.57145 | 
| 1967 | -8.1615 | 
| 1966 | 7.6084 | 
| 1965 | 14.1979 | 
| 1964 | 15.469 | 
| 1963 | 7.62225 | 
| 1962 | -6.3515 | 
| 1961 | -26.5276 | 
| 1960 | - |