| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 1.63891 |
| 2021 | 1.62559 |
| 2020 | 1.61976 |
| 2019 | 1.62384 |
| 2018 | 1.63561 |
| 2017 | 1.65064 |
| 2016 | 1.67302 |
| 2015 | 1.70213 |
| 2014 | 1.73092 |
| 2013 | 1.75937 |
| 2012 | 1.78864 |
| 2011 | 1.81927 |
| 2010 | 1.85267 |
| 2009 | 1.84249 |
| 2008 | 1.79119 |
| 2007 | 1.74091 |
| 2006 | 1.68086 |
| 2005 | 1.61191 |
| 2004 | 1.59597 |
| 2003 | 1.62494 |
| 2002 | 1.64044 |
| 2001 | 1.65552 |
| 2000 | 1.66692 |
| 1999 | 1.67774 |
| 1998 | 1.68852 |
| 1997 | 1.7014 |
| 1996 | 1.71764 |
| 1995 | 1.73289 |
| 1994 | 1.73915 |
| 1993 | 1.74983 |
| 1992 | 1.76577 |
| 1991 | 1.78019 |
| 1990 | 1.79853 |
| 1989 | 1.81945 |
| 1988 | 1.84211 |
| 1987 | 1.86557 |
| 1986 | 1.89028 |
| 1985 | 1.91765 |
| 1984 | 1.9476 |
| 1983 | 1.97998 |
| 1982 | 2.01455 |
| 1981 | 2.0491 |
| 1980 | 2.08713 |
| 1979 | 2.12461 |
| 1978 | 2.15445 |
| 1977 | 2.18358 |
| 1976 | 2.21113 |
| 1975 | 2.23816 |
| 1974 | 2.26674 |
| 1973 | 2.29774 |
| 1972 | 2.32211 |
| 1971 | 2.34187 |
| 1970 | 2.36261 |
| 1969 | 2.37733 |
| 1968 | 2.38727 |
| 1967 | 2.39413 |
| 1966 | 2.40127 |
| 1965 | 2.41094 |
| 1964 | 2.42405 |
| 1963 | 2.43673 |
| 1962 | 2.4452 |
| 1961 | 2.45593 |
| 1960 | 2.46505 |