| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 14.2856 |
| 2021 | 14.2626 |
| 2020 | 14.2081 |
| 2019 | 14.1965 |
| 2018 | 14.1649 |
| 2017 | 14.107 |
| 2016 | 14.0374 |
| 2015 | 13.965 |
| 2014 | 13.7613 |
| 2013 | 13.5017 |
| 2012 | 13.3246 |
| 2011 | 13.1912 |
| 2010 | 13.1244 |
| 2009 | 13.1071 |
| 2008 | 13.0964 |
| 2007 | 13.0787 |
| 2006 | 13.0393 |
| 2005 | 13.0088 |
| 2004 | 13.005 |
| 2003 | 13.0071 |
| 2002 | 13.0272 |
| 2001 | 13.071 |
| 2000 | 13.0871 |
| 1999 | 13.0514 |
| 1998 | 12.9809 |
| 1997 | 12.8759 |
| 1996 | 12.7597 |
| 1995 | 12.654 |
| 1994 | 12.5287 |
| 1993 | 12.36 |
| 1992 | 12.1651 |
| 1991 | 11.9609 |
| 1990 | 11.7686 |
| 1989 | 11.6337 |
| 1988 | 11.5789 |
| 1987 | 11.5884 |
| 1986 | 11.6601 |
| 1985 | 11.7872 |
| 1984 | 11.9288 |
| 1983 | 12.0476 |
| 1982 | 12.1268 |
| 1981 | 12.1548 |
| 1980 | 12.139 |
| 1979 | 12.0829 |
| 1978 | 11.9898 |
| 1977 | 11.878 |
| 1976 | 11.7584 |
| 1975 | 11.6373 |
| 1974 | 11.53 |
| 1973 | 11.4427 |
| 1972 | 11.375 |
| 1971 | 11.3277 |
| 1970 | 11.3046 |
| 1969 | 11.3052 |
| 1968 | 11.3199 |
| 1967 | 11.3359 |
| 1966 | 11.3486 |
| 1965 | 11.3571 |
| 1964 | 11.3457 |
| 1963 | 11.2354 |
| 1962 | 11.0458 |
| 1961 | 10.8619 |
| 1960 | 10.673 |