| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 12.172 |
| 2021 | 12.1467 |
| 2020 | 12.1299 |
| 2019 | 12.0984 |
| 2018 | 12.0251 |
| 2017 | 11.922 |
| 2016 | 11.7945 |
| 2015 | 11.6308 |
| 2014 | 11.4795 |
| 2013 | 11.3804 |
| 2012 | 11.3259 |
| 2011 | 11.3053 |
| 2010 | 11.295 |
| 2009 | 11.2869 |
| 2008 | 11.2881 |
| 2007 | 11.2941 |
| 2006 | 11.2888 |
| 2005 | 11.2618 |
| 2004 | 11.2154 |
| 2003 | 11.1467 |
| 2002 | 11.0443 |
| 2001 | 10.953 |
| 2000 | 10.8533 |
| 1999 | 10.7064 |
| 1998 | 10.5472 |
| 1997 | 10.3735 |
| 1996 | 10.1924 |
| 1995 | 10.0324 |
| 1994 | 9.9073 |
| 1993 | 9.83575 |
| 1992 | 9.85451 |
| 1991 | 9.97049 |
| 1990 | 10.1781 |
| 1989 | 10.4342 |
| 1988 | 10.651 |
| 1987 | 10.7719 |
| 1986 | 10.8212 |
| 1985 | 10.829 |
| 1984 | 10.7997 |
| 1983 | 10.7361 |
| 1982 | 10.6551 |
| 1981 | 10.5662 |
| 1980 | 10.4673 |
| 1979 | 10.3588 |
| 1978 | 10.241 |
| 1977 | 10.115 |
| 1976 | 9.98106 |
| 1975 | 9.90084 |
| 1974 | 9.8834 |
| 1973 | 9.8794 |
| 1972 | 9.88889 |
| 1971 | 9.91019 |
| 1970 | 9.93775 |
| 1969 | 9.9533 |
| 1968 | 9.88481 |
| 1967 | 9.74647 |
| 1966 | 9.61034 |
| 1965 | 9.46667 |
| 1964 | 9.32118 |
| 1963 | 9.25077 |
| 1962 | 9.23626 |
| 1961 | 9.19939 |
| 1960 | 9.15874 |