| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 8.33528 |
| 2021 | 9.14075 |
| 2020 | 9.67704 |
| 2019 | 8.04464 |
| 2018 | 7.70001 |
| 2017 | 14.067 |
| 2016 | 14.4081 |
| 2015 | 14.7768 |
| 2014 | 15.5309 |
| 2013 | 17.3592 |
| 2012 | 10.9199 |
| 2011 | 7.14771 |
| 2010 | 7.63618 |
| 2009 | 7.18439 |
| 2008 | 7.05239 |
| 2007 | 6.36687 |
| 2006 | 6.85807 |
| 2005 | 8.70797 |
| 2004 | 10.4326 |
| 2003 | 10.3578 |
| 2002 | 13.8294 |
| 2001 | 14.0101 |
| 2000 | 16.2845 |
| 1999 | 16.9832 |
| 1998 | 11.4603 |
| 1997 | 11.8541 |
| 1996 | 12.9066 |
| 1995 | 14.9133 |
| 1994 | 16.4837 |
| 1993 | 15.2501 |
| 1992 | 17.1266 |
| 1991 | 16.6301 |
| 1990 | 15.3798 |
| 1989 | 15.801 |
| 1988 | 16.132 |
| 1987 | 17.4632 |
| 1986 | 15.5874 |
| 1985 | 15.1285 |
| 1984 | 14.2447 |
| 1983 | 16.8924 |
| 1982 | 15.9008 |
| 1981 | 14.9894 |
| 1980 | 15.1425 |
| 1979 | 15.6305 |
| 1978 | 14.0803 |
| 1977 | 12.3563 |
| 1976 | 13.5432 |
| 1975 | 17.1284 |
| 1974 | 19.9309 |
| 1973 | 19.5223 |
| 1972 | 18.9503 |
| 1971 | 18.9289 |
| 1970 | 20.0881 |
| 1969 | 20.048 |
| 1968 | 20.0106 |
| 1967 | 22.0844 |
| 1966 | 21.3918 |
| 1965 | 22.2222 |
| 1964 | 22.4138 |
| 1963 | 19.5584 |
| 1962 | 20.3279 |
| 1961 | 19.2053 |
| 1960 | 19.2727 |