| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 50.0219 |
| 2021 | 50.0055 |
| 2020 | 49.9893 |
| 2019 | 49.9772 |
| 2018 | 49.9634 |
| 2017 | 49.9446 |
| 2016 | 49.9269 |
| 2015 | 49.9139 |
| 2014 | 49.893 |
| 2013 | 49.8688 |
| 2012 | 49.8554 |
| 2011 | 49.8482 |
| 2010 | 49.8395 |
| 2009 | 49.829 |
| 2008 | 49.8193 |
| 2007 | 49.8103 |
| 2006 | 49.8013 |
| 2005 | 49.793 |
| 2004 | 49.7855 |
| 2003 | 49.7771 |
| 2002 | 49.7665 |
| 2001 | 49.7356 |
| 2000 | 49.7022 |
| 1999 | 49.6825 |
| 1998 | 49.6557 |
| 1997 | 49.6213 |
| 1996 | 49.582 |
| 1995 | 49.5327 |
| 1994 | 49.4857 |
| 1993 | 49.4506 |
| 1992 | 49.4152 |
| 1991 | 49.3765 |
| 1990 | 49.3336 |
| 1989 | 49.2875 |
| 1988 | 49.2801 |
| 1987 | 49.338 |
| 1986 | 49.422 |
| 1985 | 49.5093 |
| 1984 | 49.5989 |
| 1983 | 49.6909 |
| 1982 | 49.7851 |
| 1981 | 49.8819 |
| 1980 | 49.9803 |
| 1979 | 50.0793 |
| 1978 | 50.1783 |
| 1977 | 50.2763 |
| 1976 | 50.3726 |
| 1975 | 50.4254 |
| 1974 | 50.4352 |
| 1973 | 50.4452 |
| 1972 | 50.4558 |
| 1971 | 50.4674 |
| 1970 | 50.48 |
| 1969 | 50.4933 |
| 1968 | 50.5075 |
| 1967 | 50.5213 |
| 1966 | 50.5346 |
| 1965 | 50.5473 |
| 1964 | 50.5589 |
| 1963 | 50.5701 |
| 1962 | 50.5803 |
| 1961 | 50.5895 |
| 1960 | 50.598 |