| 年份 | 中非共和国  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 1.79876 | 
| 2021 | 1.80644 | 
| 2020 | 1.80597 | 
| 2019 | 1.79816 | 
| 2018 | 1.78016 | 
| 2017 | 1.75705 | 
| 2016 | 1.73083 | 
| 2015 | 1.70078 | 
| 2014 | 1.65698 | 
| 2013 | 1.59252 | 
| 2012 | 1.51875 | 
| 2011 | 1.4496 | 
| 2010 | 1.38584 | 
| 2009 | 1.32721 | 
| 2008 | 1.28926 | 
| 2007 | 1.26787 | 
| 2006 | 1.24418 | 
| 2005 | 1.22107 | 
| 2004 | 1.20069 | 
| 2003 | 1.18384 | 
| 2002 | 1.17105 | 
| 2001 | 1.1608 | 
| 2000 | 1.15495 | 
| 1999 | 1.15436 | 
| 1998 | 1.15567 | 
| 1997 | 1.15917 | 
| 1996 | 1.16593 | 
| 1995 | 1.17452 | 
| 1994 | 1.18343 | 
| 1993 | 1.19239 | 
| 1992 | 1.20065 | 
| 1991 | 1.20835 | 
| 1990 | 1.21759 | 
| 1989 | 1.23052 | 
| 1988 | 1.27496 | 
| 1987 | 1.36313 | 
| 1986 | 1.46227 | 
| 1985 | 1.55402 | 
| 1984 | 1.63684 | 
| 1983 | 1.71087 | 
| 1982 | 1.78101 | 
| 1981 | 1.85538 | 
| 1980 | 1.93764 | 
| 1979 | 2.02705 | 
| 1978 | 2.12324 | 
| 1977 | 2.22145 | 
| 1976 | 2.31232 | 
| 1975 | 2.36459 | 
| 1974 | 2.38401 | 
| 1973 | 2.4014 | 
| 1972 | 2.41583 | 
| 1971 | 2.42994 | 
| 1970 | 2.44629 | 
| 1969 | 2.46416 | 
| 1968 | 2.48128 | 
| 1967 | 2.49775 | 
| 1966 | 2.51654 | 
| 1965 | 2.54021 | 
| 1964 | 2.56945 | 
| 1963 | 2.60628 | 
| 1962 | 2.64692 | 
| 1961 | 2.68034 | 
| 1960 | 2.6987 |