| 年份 | 中非共和国  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 0.247636 | 
| 2021 | 0.246384 | 
| 2020 | 0.246149 | 
| 2019 | 0.242273 | 
| 2018 | 0.237869 | 
| 2017 | 0.234633 | 
| 2016 | 0.232305 | 
| 2015 | 0.230969 | 
| 2014 | 0.234647 | 
| 2013 | 0.241032 | 
| 2012 | 0.246853 | 
| 2011 | 0.253706 | 
| 2010 | 0.259413 | 
| 2009 | 0.263513 | 
| 2008 | 0.267642 | 
| 2007 | 0.27284 | 
| 2006 | 0.280061 | 
| 2005 | 0.287517 | 
| 2004 | 0.294058 | 
| 2003 | 0.301655 | 
| 2002 | 0.309128 | 
| 2001 | 0.320622 | 
| 2000 | 0.334994 | 
| 1999 | 0.34883 | 
| 1998 | 0.366483 | 
| 1997 | 0.388314 | 
| 1996 | 0.412868 | 
| 1995 | 0.440377 | 
| 1994 | 0.468391 | 
| 1993 | 0.494763 | 
| 1992 | 0.521825 | 
| 1991 | 0.551134 | 
| 1990 | 0.583921 | 
| 1989 | 0.620529 | 
| 1988 | 0.646971 | 
| 1987 | 0.65336 | 
| 1986 | 0.650295 | 
| 1985 | 0.643943 | 
| 1984 | 0.634764 | 
| 1983 | 0.622663 | 
| 1982 | 0.607196 | 
| 1981 | 0.588318 | 
| 1980 | 0.565996 | 
| 1979 | 0.540492 | 
| 1978 | 0.511415 | 
| 1977 | 0.47928 | 
| 1976 | 0.445662 | 
| 1975 | 0.426594 | 
| 1974 | 0.423765 | 
| 1973 | 0.42393 | 
| 1972 | 0.427885 | 
| 1971 | 0.433983 | 
| 1970 | 0.440685 | 
| 1969 | 0.447816 | 
| 1968 | 0.45552 | 
| 1967 | 0.463097 | 
| 1966 | 0.470025 | 
| 1965 | 0.476888 | 
| 1964 | 0.482874 | 
| 1963 | 0.486845 | 
| 1962 | 0.489412 | 
| 1961 | 0.491757 | 
| 1960 | 0.494229 |