| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 14.5388 |
| 2021 | 14.5007 |
| 2020 | 14.4305 |
| 2019 | 14.4084 |
| 2018 | 14.3654 |
| 2017 | 14.2937 |
| 2016 | 14.212 |
| 2015 | 14.1297 |
| 2014 | 13.9074 |
| 2013 | 13.6261 |
| 2012 | 13.4345 |
| 2011 | 13.2898 |
| 2010 | 13.2128 |
| 2009 | 13.1852 |
| 2008 | 13.1648 |
| 2007 | 13.1386 |
| 2006 | 13.0914 |
| 2005 | 13.056 |
| 2004 | 13.0503 |
| 2003 | 13.0508 |
| 2002 | 13.0726 |
| 2001 | 13.0944 |
| 2000 | 13.0895 |
| 1999 | 13.065 |
| 1998 | 13.0113 |
| 1997 | 12.9261 |
| 1996 | 12.8317 |
| 1995 | 12.734 |
| 1994 | 12.6158 |
| 1993 | 12.466 |
| 1992 | 12.2822 |
| 1991 | 12.0748 |
| 1990 | 11.8577 |
| 1989 | 11.6715 |
| 1988 | 11.5758 |
| 1987 | 11.5863 |
| 1986 | 11.6718 |
| 1985 | 11.8079 |
| 1984 | 11.955 |
| 1983 | 12.0788 |
| 1982 | 12.1678 |
| 1981 | 12.2136 |
| 1980 | 12.2249 |
| 1979 | 12.2055 |
| 1978 | 12.1592 |
| 1977 | 12.1054 |
| 1976 | 12.0572 |
| 1975 | 11.9717 |
| 1974 | 11.8573 |
| 1973 | 11.7633 |
| 1972 | 11.6898 |
| 1971 | 11.6381 |
| 1970 | 11.613 |
| 1969 | 11.614 |
| 1968 | 11.6304 |
| 1967 | 11.6478 |
| 1966 | 11.6613 |
| 1965 | 11.6697 |
| 1964 | 11.6573 |
| 1963 | 11.5238 |
| 1962 | 11.2936 |
| 1961 | 11.0738 |
| 1960 | 10.8481 |