| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 7.93782 |
| 2021 | 7.82239 |
| 2020 | 7.83066 |
| 2019 | 7.75146 |
| 2018 | 7.723 |
| 2017 | 7.94748 |
| 2016 | 8.24381 |
| 2015 | 8.62659 |
| 2014 | 9.15184 |
| 2013 | 9.5565 |
| 2012 | 9.77672 |
| 2011 | 10.0242 |
| 2010 | 10.2777 |
| 2009 | 10.4013 |
| 2008 | 10.4457 |
| 2007 | 10.5422 |
| 2006 | 10.6407 |
| 2005 | 10.6293 |
| 2004 | 10.4564 |
| 2003 | 10.1646 |
| 2002 | 9.8174 |
| 2001 | 9.41005 |
| 2000 | 9.03124 |
| 1999 | 8.73189 |
| 1998 | 8.37185 |
| 1997 | 8.13272 |
| 1996 | 8.23238 |
| 1995 | 8.37877 |
| 1994 | 7.76338 |
| 1993 | 7.82344 |
| 1992 | 8.42428 |
| 1991 | 8.321 |
| 1990 | 8.30974 |
| 1989 | 8.3093 |
| 1988 | 8.32673 |
| 1987 | 8.35866 |
| 1986 | 8.42789 |
| 1985 | 8.5702 |
| 1984 | 8.72115 |
| 1983 | 8.8712 |
| 1982 | 8.98687 |
| 1981 | 9.13286 |
| 1980 | 9.08364 |
| 1979 | 8.97082 |
| 1978 | 9.02818 |
| 1977 | 9.0194 |
| 1976 | 9.03665 |
| 1975 | 9.09457 |
| 1974 | 8.96107 |
| 1973 | 8.65679 |
| 1972 | 8.59401 |
| 1971 | 8.56055 |
| 1970 | 8.34422 |
| 1969 | 8.32193 |
| 1968 | 8.4255 |
| 1967 | 8.44794 |
| 1966 | 8.43685 |
| 1965 | 8.41066 |
| 1964 | 8.32933 |
| 1963 | 8.24061 |
| 1962 | 8.24547 |
| 1961 | 8.19779 |
| 1960 | 8.14274 |