| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 18.3317 |
| 2021 | 8.51672 |
| 2020 | 5.9665 |
| 2019 | 0.851867 |
| 2018 | -2.85086 |
| 2017 | 11.4492 |
| 2016 | 0.973176 |
| 2015 | 21.3187 |
| 2014 | 5.30566 |
| 2013 | 7.9531 |
| 2012 | 14.2941 |
| 2011 | 8.36425 |
| 2010 | 8.56155 |
| 2009 | 10.4588 |
| 2008 | 24.2158 |
| 2007 | 8.27338 |
| 2006 | 2.84567 |
| 2005 | 18.8416 |
| 2004 | 13.1462 |
| 2003 | 11.9457 |
| 2002 | 1.02786 |
| 2001 | 13.7164 |
| 2000 | 38.9449 |
| 1999 | 14.9541 |
| 1998 | 11.4506 |
| 1997 | 32.3978 |
| 1996 | 14.4531 |
| 1995 | 16.1027 |
| 1994 | 6.63845 |
| 1993 | 7.74265 |
| 1992 | 5.40176 |
| 1991 | 4.09314 |
| 1990 | 5.98556 |
| 1989 | 14.7572 |
| 1988 | 3.49122 |
| 1987 | -3.4178 |
| 1986 | -4.25741 |
| 1985 | 5.06884 |
| 1984 | 17.2162 |
| 1983 | 6.42855 |
| 1982 | 5.67202 |
| 1981 | -6.06331 |
| 1980 | 16.384 |
| 1979 | 26.1307 |
| 1978 | 12.5077 |
| 1977 | 14.3041 |
| 1976 | 8.07495 |
| 1975 | 21.0869 |
| 1974 | 12.4552 |
| 1973 | 5.51044 |
| 1972 | 4.29081 |
| 1971 | 1.38022 |
| 1970 | 5.18451 |
| 1969 | 5.36188 |
| 1968 | 3.05681 |
| 1967 | -5.31799 |
| 1966 | 3.15203 |
| 1965 | -1.02936 |
| 1964 | 5.41722 |
| 1963 | 4.68715 |
| 1962 | -3.56742 |
| 1961 | 20.0774 |
| 1960 | - |