| 年份 | 中国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.3 |
| 2020 | 7.9 |
| 2019 | 8.4 |
| 2018 | 9.1 |
| 2017 | 9.8 |
| 2016 | 10.5 |
| 2015 | 11.3 |
| 2014 | 12.3 |
| 2013 | 13.2 |
| 2012 | 14.3 |
| 2011 | 15.5 |
| 2010 | 16.7 |
| 2009 | 18.1 |
| 2008 | 19.6 |
| 2007 | 21.3 |
| 2006 | 23.3 |
| 2005 | 25.4 |
| 2004 | 27.9 |
| 2003 | 30.4 |
| 2002 | 33.2 |
| 2001 | 35.9 |
| 2000 | 38.5 |
| 1999 | 41 |
| 1998 | 43.3 |
| 1997 | 45.5 |
| 1996 | 47.6 |
| 1995 | 49.5 |
| 1994 | 51.3 |
| 1993 | 53 |
| 1992 | 54.3 |
| 1991 | 55.2 |
| 1990 | 55.8 |
| 1989 | 55.9 |
| 1988 | 55.9 |
| 1987 | 55.8 |
| 1986 | 55.8 |
| 1985 | 56.1 |
| 1984 | 56.9 |
| 1983 | 58 |
| 1982 | 59.7 |
| 1981 | 62 |
| 1980 | 64.8 |
| 1979 | 68.2 |
| 1978 | 72.3 |
| 1977 | 76.8 |
| 1976 | 81.8 |
| 1975 | 87.1 |
| 1974 | 92.6 |
| 1973 | 98.2 |
| 1972 | 103.8 |
| 1971 | 109.4 |
| 1970 | 115.2 |
| 1969 | 121.2 |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |