| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.238461 |
| 2020 | 0.238461 |
| 2019 | 0.236639 |
| 2018 | 0.187722 |
| 2017 | 0.186767 |
| 2016 | 0.22465 |
| 2015 | 0.340672 |
| 2014 | 0.00599444 |
| 2013 | 0.143922 |
| 2012 | 0.281839 |
| 2011 | 0.444728 |
| 2010 | 0.294258 |
| 2009 | 0.21761 |
| 2008 | 0.213519 |
| 2007 | 0.323048 |
| 2006 | 0.228893 |
| 2005 | 0.131059 |
| 2004 | 0.0694759 |
| 2003 | 0.000171123 |
| 2002 | 0.042123 |
| 2001 | 0.320856 |
| 2000 | 0.320856 |
| 1999 | 0.320856 |
| 1998 | 0.320856 |
| 1997 | 0.160428 |
| 1996 | 0.160428 |
| 1995 | 0.160428 |
| 1994 | 0.160428 |
| 1993 | 0.641711 |
| 1992 | 0.588235 |
| 1991 | 0.481283 |
| 1990 | 0.502674 |
| 1989 | 0.410695 |
| 1988 | 0.308556 |
| 1987 | 0.43369 |
| 1986 | 0.361497 |
| 1985 | 1.5508 |
| 1984 | 0.641711 |
| 1983 | 0.242246 |
| 1982 | 0.374332 |
| 1981 | 0.671658 |
| 1980 | 0.77754 |
| 1979 | 0.0537634 |
| 1978 | 0.864865 |
| 1977 | 0.923913 |
| 1976 | 0.874317 |
| 1975 | 0.934066 |
| 1974 | 1.61878 |
| 1973 | 0.920556 |
| 1972 | 1.01285 |
| 1971 | 1.17978 |
| 1970 | 1.25593 |
| 1969 | 1.09545 |
| 1968 | 0.914286 |
| 1967 | 0.747126 |
| 1966 | 0.635838 |
| 1965 | 0.465116 |
| 1964 | 0.233918 |
| 1963 | 0.217647 |
| 1962 | 0.189349 |
| 1961 | 0.182738 |
| 1960 | - |