| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 9.94749 |
| 2021 | 9.84811 |
| 2020 | 9.72024 |
| 2019 | 9.52023 |
| 2018 | 9.33574 |
| 2017 | 9.17808 |
| 2016 | 9.02925 |
| 2015 | 8.89769 |
| 2014 | 8.94094 |
| 2013 | 9.10042 |
| 2012 | 9.23594 |
| 2011 | 9.35716 |
| 2010 | 9.40938 |
| 2009 | 9.4034 |
| 2008 | 9.37121 |
| 2007 | 9.3271 |
| 2006 | 9.30052 |
| 2005 | 9.25809 |
| 2004 | 9.1763 |
| 2003 | 9.08585 |
| 2002 | 8.95256 |
| 2001 | 8.79966 |
| 2000 | 8.63897 |
| 1999 | 8.47375 |
| 1998 | 8.35872 |
| 1997 | 8.29816 |
| 1996 | 8.28796 |
| 1995 | 8.3337 |
| 1994 | 8.38941 |
| 1993 | 8.41817 |
| 1992 | 8.43557 |
| 1991 | 8.4454 |
| 1990 | 8.461 |
| 1989 | 8.48495 |
| 1988 | 8.50097 |
| 1987 | 8.5054 |
| 1986 | 8.51354 |
| 1985 | 8.53002 |
| 1984 | 8.55702 |
| 1983 | 8.59299 |
| 1982 | 8.63383 |
| 1981 | 8.67232 |
| 1980 | 8.70275 |
| 1979 | 8.71873 |
| 1978 | 8.71551 |
| 1977 | 8.6914 |
| 1976 | 8.64801 |
| 1975 | 8.63588 |
| 1974 | 8.65956 |
| 1973 | 8.60683 |
| 1972 | 8.49469 |
| 1971 | 8.39632 |
| 1970 | 8.28655 |
| 1969 | 8.16238 |
| 1968 | 8.11401 |
| 1967 | 8.12732 |
| 1966 | 8.11496 |
| 1965 | 8.09822 |
| 1964 | 8.09365 |
| 1963 | 8.10952 |
| 1962 | 8.14363 |
| 1961 | 8.18672 |
| 1960 | 8.2295 |