| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | 0.25906 |
| 2021 | 12.2279 |
| 2020 | -2.5006 |
| 2019 | 6.43247 |
| 2018 | 8.3214 |
| 2017 | 9.53507 |
| 2016 | 8.93699 |
| 2015 | 8.70314 |
| 2014 | 9.19451 |
| 2013 | 8.863 |
| 2012 | 9.20528 |
| 2011 | 15.0469 |
| 2010 | 11.5987 |
| 2009 | 9.99144 |
| 2008 | 8.78306 |
| 2007 | 13.7762 |
| 2006 | 10.2171 |
| 2005 | 11.0246 |
| 2004 | 8.08647 |
| 2003 | 6.15899 |
| 2002 | 9.12718 |
| 2001 | 6.98493 |
| 2000 | 11.5903 |
| 1999 | 9.33773 |
| 1998 | 6.76588 |
| 1997 | 5.94352 |
| 1996 | 11.577 |
| 1995 | - |
| 1994 | - |
| 1993 | - |
| 1992 | - |
| 1991 | - |
| 1990 | - |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |