| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 11.393 |
| 2020 | 11.041 |
| 2019 | 10.873 |
| 2018 | 11.23 |
| 2017 | 11.544 |
| 2016 | 11.711 |
| 2015 | 12.15 |
| 2014 | 13.517 |
| 2013 | 13.392 |
| 2012 | 13.622 |
| 2011 | 14.092 |
| 2010 | 14.534 |
| 2009 | 14.907 |
| 2008 | 15.313 |
| 2007 | 15.696 |
| 2006 | 16.08 |
| 2005 | 16.367 |
| 2004 | 16.658 |
| 2003 | 16.889 |
| 2002 | 17.168 |
| 2001 | 17.245 |
| 2000 | 17.325 |
| 1999 | 17.159 |
| 1998 | 17.068 |
| 1997 | 16.99 |
| 1996 | 16.795 |
| 1995 | 16.577 |
| 1994 | 16.4 |
| 1993 | 16.273 |
| 1992 | 16.206 |
| 1991 | 16.132 |
| 1990 | 16.088 |
| 1989 | 16.071 |
| 1988 | 16.07 |
| 1987 | 16.09 |
| 1986 | 16.126 |
| 1985 | 16.19 |
| 1984 | 16.273 |
| 1983 | 16.349 |
| 1982 | 16.448 |
| 1981 | 16.535 |
| 1980 | 16.68 |
| 1979 | 16.825 |
| 1978 | 17.003 |
| 1977 | 17.212 |
| 1976 | 17.461 |
| 1975 | 17.833 |
| 1974 | 18.271 |
| 1973 | 18.743 |
| 1972 | 19.238 |
| 1971 | 19.767 |
| 1970 | 20.302 |
| 1969 | 20.852 |
| 1968 | 21.39 |
| 1967 | 21.893 |
| 1966 | 22.4 |
| 1965 | 22.893 |
| 1964 | 23.394 |
| 1963 | 23.898 |
| 1962 | 24.396 |
| 1961 | 24.9 |
| 1960 | 25.41 |