| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | - |
| 2020 | 0.517561 |
| 2019 | 0.528095 |
| 2018 | 0.548806 |
| 2017 | 0.440917 |
| 2016 | 0.457614 |
| 2015 | 0.465721 |
| 2014 | 0.463528 |
| 2013 | 0.456604 |
| 2012 | 0.454566 |
| 2011 | 0.175608 |
| 2010 | 0.177528 |
| 2009 | 0.180834 |
| 2008 | 0.175777 |
| 2007 | 0.179271 |
| 2006 | - |
| 2005 | 0.185882 |
| 2004 | 0.126771 |
| 2003 | 0.233142 |
| 2002 | 0.235849 |
| 2001 | 0.285825 |
| 2000 | 0.376555 |
| 1999 | 0.359137 |
| 1998 | 0.366086 |
| 1997 | 0.38055 |
| 1996 | 0.391585 |
| 1995 | 0.401883 |
| 1994 | 0.330075 |
| 1993 | 0.3403 |
| 1992 | 0.350731 |
| 1991 | 0.360979 |
| 1990 | 0.370865 |
| 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 | - |