| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 0.626386 |
| 2021 | 0.601497 |
| 2020 | 0.572924 |
| 2019 | 0.562121 |
| 2018 | 0.566054 |
| 2017 | 0.565275 |
| 2016 | 0.56538 |
| 2015 | 0.565335 |
| 2014 | 0.565667 |
| 2013 | 0.566651 |
| 2012 | 0.568619 |
| 2011 | 0.571062 |
| 2010 | 0.573246 |
| 2009 | 0.574577 |
| 2008 | 0.574915 |
| 2007 | 0.574928 |
| 2006 | 0.575402 |
| 2005 | 0.576541 |
| 2004 | 0.578166 |
| 2003 | 0.579895 |
| 2002 | 0.581854 |
| 2001 | 0.584872 |
| 2000 | 0.58978 |
| 1999 | 0.596123 |
| 1998 | 0.603477 |
| 1997 | 0.612654 |
| 1996 | 0.624092 |
| 1995 | 0.637781 |
| 1994 | 0.653549 |
| 1993 | 0.667344 |
| 1992 | 0.680457 |
| 1991 | 0.698689 |
| 1990 | 0.717575 |
| 1989 | 0.736995 |
| 1988 | 0.756923 |
| 1987 | 0.775635 |
| 1986 | 0.789855 |
| 1985 | 0.79954 |
| 1984 | 0.806799 |
| 1983 | 0.811975 |
| 1982 | 0.815657 |
| 1981 | 0.818503 |
| 1980 | 0.82573 |
| 1979 | 0.833483 |
| 1978 | 0.837096 |
| 1977 | 0.84172 |
| 1976 | 0.844541 |
| 1975 | 0.84547 |
| 1974 | 0.846369 |
| 1973 | 0.848419 |
| 1972 | 0.849521 |
| 1971 | 0.848594 |
| 1970 | 0.845355 |
| 1969 | 0.838057 |
| 1968 | 0.826147 |
| 1967 | 0.811487 |
| 1966 | 0.798887 |
| 1965 | 0.792302 |
| 1964 | 0.791622 |
| 1963 | 0.795952 |
| 1962 | 0.804996 |
| 1961 | 0.816406 |
| 1960 | 0.826001 |