| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 2.27526 |
| 2021 | 2.21253 |
| 2020 | 2.16077 |
| 2019 | 2.11373 |
| 2018 | 2.07082 |
| 2017 | 2.04624 |
| 2016 | 2.03867 |
| 2015 | 2.04569 |
| 2014 | 2.06447 |
| 2013 | 2.08869 |
| 2012 | 2.11606 |
| 2011 | 2.15248 |
| 2010 | 2.19733 |
| 2009 | 2.2384 |
| 2008 | 2.27911 |
| 2007 | 2.32394 |
| 2006 | 2.36985 |
| 2005 | 2.41659 |
| 2004 | 2.39919 |
| 2003 | 2.32455 |
| 2002 | 2.25365 |
| 2001 | 2.17102 |
| 2000 | 2.07918 |
| 1999 | 2.05957 |
| 1998 | 2.09413 |
| 1997 | 2.11392 |
| 1996 | 2.14658 |
| 1995 | 2.17534 |
| 1994 | 2.16756 |
| 1993 | 2.19299 |
| 1992 | 2.24213 |
| 1991 | 2.26012 |
| 1990 | 2.2791 |
| 1989 | 2.29533 |
| 1988 | 2.31087 |
| 1987 | 2.32541 |
| 1986 | 2.34113 |
| 1985 | 2.36104 |
| 1984 | 2.38218 |
| 1983 | 2.40399 |
| 1982 | 2.42705 |
| 1981 | 2.45519 |
| 1980 | 2.4847 |
| 1979 | 2.51827 |
| 1978 | 2.55813 |
| 1977 | 2.59836 |
| 1976 | 2.63856 |
| 1975 | 2.67727 |
| 1974 | 2.71336 |
| 1973 | 2.74697 |
| 1972 | 2.78075 |
| 1971 | 2.81284 |
| 1970 | 2.84431 |
| 1969 | 2.87692 |
| 1968 | 2.91127 |
| 1967 | 2.94641 |
| 1966 | 2.97852 |
| 1965 | 3.00545 |
| 1964 | 3.0279 |
| 1963 | 3.04337 |
| 1962 | 3.05079 |
| 1961 | 3.05867 |
| 1960 | 3.06867 |