| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 2.76041 |
| 2021 | 2.04301 |
| 2020 | 2.18591 |
| 2019 | 2.80782 |
| 2018 | 2.14942 |
| 2017 | 2.00271 |
| 2016 | 2.24316 |
| 2015 | 2.13132 |
| 2014 | 2.29795 |
| 2013 | 2.48241 |
| 2012 | 2.52718 |
| 2011 | - |
| 2010 | - |
| 2009 | - |
| 2008 | 2.72089 |
| 2007 | 3.4146 |
| 2006 | 3.51172 |
| 2005 | 4.43619 |
| 2004 | 4.90327 |
| 2003 | 5.53344 |
| 2002 | 5.44168 |
| 2001 | 6.07174 |
| 2000 | 4.8624 |
| 1999 | 6.25764 |
| 1998 | 6.57227 |
| 1997 | 6.35965 |
| 1996 | 5.85688 |
| 1995 | 4.20907 |
| 1994 | 3.92111 |
| 1993 | 3.72028 |
| 1992 | 3.59564 |
| 1991 | 3.78627 |
| 1990 | 3.44871 |
| 1989 | 3.34952 |
| 1988 | 3.14525 |
| 1987 | 2.64914 |
| 1986 | 2.80541 |
| 1985 | 2.75117 |
| 1984 | 2.9754 |
| 1983 | 3.10481 |
| 1982 | 3.50703 |
| 1981 | 3.03033 |
| 1980 | 2.9188 |
| 1979 | 2.64372 |
| 1978 | 2.79637 |
| 1977 | 2.53338 |
| 1976 | 2.2236 |
| 1975 | 2.05681 |
| 1974 | 2.22508 |
| 1973 | 1.94621 |
| 1972 | 1.45867 |
| 1971 | 1.03241 |
| 1970 | - |
| 1969 | 1.75449 |
| 1968 | 1.41422 |
| 1967 | 1.33261 |
| 1966 | 1.38229 |
| 1965 | 1.35234 |
| 1964 | 0.445621 |
| 1963 | 0.434783 |
| 1962 | 3.94379 |
| 1961 | - |
| 1960 | - |