| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.474 |
| 2020 | 7.562 |
| 2019 | 7.352 |
| 2018 | 7.648 |
| 2017 | 7.772 |
| 2016 | 8.18 |
| 2015 | 8.553 |
| 2014 | 8.798 |
| 2013 | 9.178 |
| 2012 | 9.625 |
| 2011 | 10.094 |
| 2010 | 10.538 |
| 2009 | 10.92 |
| 2008 | 11.316 |
| 2007 | 11.871 |
| 2006 | 12.366 |
| 2005 | 12.841 |
| 2004 | 13.369 |
| 2003 | 13.984 |
| 2002 | 14.501 |
| 2001 | 15.316 |
| 2000 | 15.907 |
| 1999 | 15.965 |
| 1998 | 16.646 |
| 1997 | 17.626 |
| 1996 | 18.599 |
| 1995 | 18.823 |
| 1994 | 18.937 |
| 1993 | 24.9 |
| 1992 | 19.519 |
| 1991 | 19.393 |
| 1990 | 19.067 |
| 1989 | 18.639 |
| 1988 | 20.561 |
| 1987 | 17.569 |
| 1986 | 17.269 |
| 1985 | 17.172 |
| 1984 | 17.373 |
| 1983 | 17.82 |
| 1982 | 18.467 |
| 1981 | 19.091 |
| 1980 | 19.821 |
| 1979 | 20.408 |
| 1978 | 20.999 |
| 1977 | 21.197 |
| 1976 | 21.478 |
| 1975 | 21.573 |
| 1974 | 21.549 |
| 1973 | 26.085 |
| 1972 | 39.912 |
| 1971 | 21.692 |
| 1970 | 21.636 |
| 1969 | 21.713 |
| 1968 | 21.318 |
| 1967 | 21.296 |
| 1966 | 21.133 |
| 1965 | 22.226 |
| 1964 | 20.737 |
| 1963 | 20.97 |
| 1962 | 21.2 |
| 1961 | 21.409 |
| 1960 | 21.657 |