| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 6.11066 |
| 2021 | 6.14899 |
| 2020 | 6.12784 |
| 2019 | 6.03224 |
| 2018 | 5.88054 |
| 2017 | 5.69223 |
| 2016 | 5.49094 |
| 2015 | 5.32623 |
| 2014 | 5.16902 |
| 2013 | 4.96787 |
| 2012 | 4.80097 |
| 2011 | 4.68013 |
| 2010 | 4.57604 |
| 2009 | 4.44937 |
| 2008 | 4.33463 |
| 2007 | 4.25058 |
| 2006 | 4.16438 |
| 2005 | 4.09416 |
| 2004 | 4.0205 |
| 2003 | 3.94971 |
| 2002 | 3.92851 |
| 2001 | 3.93436 |
| 2000 | 3.96059 |
| 1999 | 4.0279 |
| 1998 | 4.09378 |
| 1997 | 4.17903 |
| 1996 | 4.36057 |
| 1995 | 4.54077 |
| 1994 | 4.44568 |
| 1993 | 4.5826 |
| 1992 | 4.87698 |
| 1991 | 4.92707 |
| 1990 | 5.00651 |
| 1989 | 4.98956 |
| 1988 | 4.89557 |
| 1987 | 4.80845 |
| 1986 | 4.71369 |
| 1985 | 4.62706 |
| 1984 | 4.63329 |
| 1983 | 4.7092 |
| 1982 | 4.74263 |
| 1981 | 4.77876 |
| 1980 | 4.73715 |
| 1979 | 4.68326 |
| 1978 | 4.69782 |
| 1977 | 4.69134 |
| 1976 | 4.69439 |
| 1975 | 4.70463 |
| 1974 | 4.69815 |
| 1973 | 4.68035 |
| 1972 | 4.74782 |
| 1971 | 4.81977 |
| 1970 | 4.82462 |
| 1969 | 4.84668 |
| 1968 | 4.87359 |
| 1967 | 4.89753 |
| 1966 | 4.9242 |
| 1965 | 4.96285 |
| 1964 | 4.99567 |
| 1963 | 5.03487 |
| 1962 | 5.10666 |
| 1961 | 5.16329 |
| 1960 | 5.22 |