| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 4.68502 |
| 2021 | 4.48373 |
| 2020 | 4.29298 |
| 2019 | 4.12043 |
| 2018 | 3.93843 |
| 2017 | 3.79762 |
| 2016 | 3.71103 |
| 2015 | 3.65548 |
| 2014 | 3.60785 |
| 2013 | 3.55646 |
| 2012 | 3.49515 |
| 2011 | 3.42393 |
| 2010 | 3.36966 |
| 2009 | 3.29272 |
| 2008 | 3.21214 |
| 2007 | 3.18144 |
| 2006 | 3.17769 |
| 2005 | 3.18559 |
| 2004 | 3.20765 |
| 2003 | 3.24293 |
| 2002 | 3.29378 |
| 2001 | 3.35897 |
| 2000 | 3.43618 |
| 1999 | 3.51773 |
| 1998 | 3.58231 |
| 1997 | 3.654 |
| 1996 | 3.77319 |
| 1995 | 3.8883 |
| 1994 | 3.75359 |
| 1993 | 3.67175 |
| 1992 | 3.70817 |
| 1991 | 3.58005 |
| 1990 | 3.45981 |
| 1989 | 3.44031 |
| 1988 | 3.50393 |
| 1987 | 3.53751 |
| 1986 | 3.57164 |
| 1985 | 3.61074 |
| 1984 | 3.64181 |
| 1983 | 3.66872 |
| 1982 | 3.691 |
| 1981 | 3.71748 |
| 1980 | 3.69663 |
| 1979 | 3.66472 |
| 1978 | 3.6733 |
| 1977 | 3.66812 |
| 1976 | 3.67323 |
| 1975 | 3.69121 |
| 1974 | 3.70537 |
| 1973 | 3.71551 |
| 1972 | 3.7836 |
| 1971 | 3.85519 |
| 1970 | 3.88602 |
| 1969 | 3.93072 |
| 1968 | 3.98066 |
| 1967 | 4.02912 |
| 1966 | 4.07517 |
| 1965 | 4.12249 |
| 1964 | 4.16035 |
| 1963 | 4.19468 |
| 1962 | 4.24255 |
| 1961 | 4.28179 |
| 1960 | 4.32368 |