| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 31.9 |
| 2020 | 32.4 |
| 2019 | 32.8 |
| 2018 | 33.2 |
| 2017 | 33.6 |
| 2016 | 33.9 |
| 2015 | 34.3 |
| 2014 | 34.6 |
| 2013 | 34.9 |
| 2012 | 35.3 |
| 2011 | 35.7 |
| 2010 | 36.2 |
| 2009 | 36.8 |
| 2008 | 37.5 |
| 2007 | 38.2 |
| 2006 | 39 |
| 2005 | 39.7 |
| 2004 | 40.4 |
| 2003 | 41 |
| 2002 | 41.7 |
| 2001 | 42.4 |
| 2000 | 43.1 |
| 1999 | 43.9 |
| 1998 | 44.7 |
| 1997 | 45.6 |
| 1996 | 46.5 |
| 1995 | 47.3 |
| 1994 | 48.2 |
| 1993 | 48.9 |
| 1992 | 49.6 |
| 1991 | 50.2 |
| 1990 | 50.8 |
| 1989 | 51.3 |
| 1988 | 51.8 |
| 1987 | 52.2 |
| 1986 | 52.5 |
| 1985 | 52.6 |
| 1984 | 52.6 |
| 1983 | 52.7 |
| 1982 | 52.7 |
| 1981 | 52.9 |
| 1980 | 53.2 |
| 1979 | 53.7 |
| 1978 | 54.1 |
| 1977 | 54.6 |
| 1976 | 55 |
| 1975 | 55.6 |
| 1974 | 56.1 |
| 1973 | 56.6 |
| 1972 | 57 |
| 1971 | 57.6 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |