| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 5.18177 |
| 2021 | 5.19369 |
| 2020 | 5.39363 |
| 2019 | 5.79491 |
| 2018 | 5.51714 |
| 2017 | 4.82194 |
| 2016 | 4.16327 |
| 2015 | 4.72091 |
| 2014 | 5.8742 |
| 2013 | 6.09133 |
| 2012 | 6.054 |
| 2011 | 6.07571 |
| 2010 | 7.21072 |
| 2009 | 7.59642 |
| 2008 | 6.65454 |
| 2007 | 6.20772 |
| 2006 | 6.12858 |
| 2005 | 6.24939 |
| 2004 | 6.27479 |
| 2003 | 5.70708 |
| 2002 | 5.37269 |
| 2001 | 5.04888 |
| 2000 | 4.62154 |
| 1999 | 4.96839 |
| 1998 | 4.60915 |
| 1997 | 2.62933 |
| 1996 | 2.71085 |
| 1995 | 8.78556 |
| 1994 | 3.32074 |
| 1993 | -0.561957 |
| 1992 | 5.39605 |
| 1991 | 4.89634 |
| 1990 | 5.66568 |
| 1989 | 5.56814 |
| 1988 | 5.85585 |
| 1987 | 5.95512 |
| 1986 | 5.56099 |
| 1985 | 5.8278 |
| 1984 | 6.12311 |
| 1983 | 6.36025 |
| 1982 | 6.18032 |
| 1981 | 7.75214 |
| 1980 | 7.93314 |
| 1979 | 6.62686 |
| 1978 | 7.07017 |
| 1977 | 6.74729 |
| 1976 | 6.40371 |
| 1975 | 6.69709 |
| 1974 | 6.71487 |
| 1973 | 4.04446 |
| 1972 | 4.23657 |
| 1971 | 6.67951 |
| 1970 | 6.39324 |
| 1969 | 6.43629 |
| 1968 | 6.65551 |
| 1967 | 6.83956 |
| 1966 | 6.69254 |
| 1965 | 5.45582 |
| 1964 | 4.65242 |
| 1963 | 3.87599 |
| 1962 | 4.3324 |
| 1961 | 4.30751 |
| 1960 | - |