| 年份 | 中非共和国 |
|---|---|
| 2023 | - |
| 2022 | 5.96792 |
| 2021 | 3.18577 |
| 2020 | 1.98216 |
| 2019 | 2.32784 |
| 2018 | -1.22412 |
| 2017 | 6.44371 |
| 2016 | 2.98011 |
| 2015 | 2.70826 |
| 2014 | 11.8938 |
| 2013 | 2.48749 |
| 2012 | 6.18104 |
| 2011 | 4.00912 |
| 2010 | 4.21131 |
| 2009 | 0.711628 |
| 2008 | 7.07707 |
| 2007 | 1.83823 |
| 2006 | 3.33405 |
| 2005 | 4.18844 |
| 2004 | -4.43979 |
| 2003 | 1.33642 |
| 2002 | -2.37188 |
| 2001 | 0.425939 |
| 2000 | 8.5066 |
| 1999 | 4.08472 |
| 1998 | -0.414154 |
| 1997 | 0.823381 |
| 1996 | -3.54305 |
| 1995 | 9.89798 |
| 1994 | 24.4126 |
| 1993 | -3.43302 |
| 1992 | 2.78265 |
| 1991 | -0.389816 |
| 1990 | 1.83665 |
| 1989 | 2.4562 |
| 1988 | 2.62406 |
| 1987 | -2.30335 |
| 1986 | -3.42904 |
| 1985 | 34.1452 |
| 1984 | 1.4194 |
| 1983 | 11.1029 |
| 1982 | 20.9142 |
| 1981 | 13.8727 |
| 1980 | 18.2654 |
| 1979 | 10.9266 |
| 1978 | 9.22839 |
| 1977 | 11.3725 |
| 1976 | 25.9966 |
| 1975 | 19.3262 |
| 1974 | 5.381 |
| 1973 | 2.19949 |
| 1972 | 4.64424 |
| 1971 | 4.93827 |
| 1970 | 4.49088 |
| 1969 | -3.85269 |
| 1968 | 16.1724 |
| 1967 | -0.774417 |
| 1966 | 4.47541 |
| 1965 | 5.03914 |
| 1964 | 7.54197 |
| 1963 | 4.67448 |
| 1962 | 4.88875 |
| 1961 | 4.63502 |
| 1960 | - |