| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 4.81372 |
| 2021 | 4.6047 |
| 2020 | 4.40428 |
| 2019 | 4.22178 |
| 2018 | 4.03114 |
| 2017 | 3.8808 |
| 2016 | 3.78169 |
| 2015 | 3.71033 |
| 2014 | 3.65224 |
| 2013 | 3.59966 |
| 2012 | 3.53898 |
| 2011 | 3.46868 |
| 2010 | 3.41596 |
| 2009 | 3.34784 |
| 2008 | 3.28049 |
| 2007 | 3.25993 |
| 2006 | 3.26546 |
| 2005 | 3.28331 |
| 2004 | 3.31826 |
| 2003 | 3.36829 |
| 2002 | 3.42985 |
| 2001 | 3.50289 |
| 2000 | 3.58556 |
| 1999 | 3.66972 |
| 1998 | 3.73978 |
| 1997 | 3.81285 |
| 1996 | 3.91728 |
| 1995 | 4.01771 |
| 1994 | 3.92436 |
| 1993 | 3.85456 |
| 1992 | 3.87406 |
| 1991 | 3.7771 |
| 1990 | 3.68471 |
| 1989 | 3.68263 |
| 1988 | 3.75068 |
| 1987 | 3.78741 |
| 1986 | 3.82087 |
| 1985 | 3.8529 |
| 1984 | 3.87692 |
| 1983 | 3.89729 |
| 1982 | 3.91437 |
| 1981 | 3.93408 |
| 1980 | 3.92134 |
| 1979 | 3.90132 |
| 1978 | 3.90893 |
| 1977 | 3.90807 |
| 1976 | 3.91595 |
| 1975 | 3.93472 |
| 1974 | 3.95308 |
| 1973 | 3.97137 |
| 1972 | 4.03206 |
| 1971 | 4.09666 |
| 1970 | 4.13469 |
| 1969 | 4.18306 |
| 1968 | 4.23545 |
| 1967 | 4.28788 |
| 1966 | 4.34017 |
| 1965 | 4.39335 |
| 1964 | 4.44185 |
| 1963 | 4.49054 |
| 1962 | 4.54605 |
| 1961 | 4.59236 |
| 1960 | 4.6338 |