| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 4.9711 |
| 2021 | 5.00029 |
| 2020 | 4.54932 |
| 2019 | 5.17204 |
| 2018 | 5.68565 |
| 2017 | 6.02657 |
| 2016 | 6.38452 |
| 2015 | 6.41727 |
| 2014 | 8.69602 |
| 2013 | 9.09526 |
| 2012 | 9.6961 |
| 2011 | 8.8 |
| 2010 | 9.7 |
| 2009 | 6.6 |
| 2008 | 10.5 |
| 2007 | 6.8 |
| 2006 | 7.3 |
| 2005 | 6.2 |
| 2004 | 6.95275 |
| 2003 | 6.38141 |
| 2002 | 4.6858 |
| 2001 | 5.1792 |
| 2000 | 6.31897 |
| 1999 | 7.57576 |
| 1998 | 7.99975 |
| 1997 | 9.83547 |
| 1996 | 5.82032 |
| 1995 | 12.9263 |
| 1994 | 10.2718 |
| 1993 | 9.38196 |
| 1992 | 8.74918 |
| 1991 | 9.91738 |
| 1990 | 7.87299 |
| 1989 | 9.74574 |
| 1988 | 12.5908 |
| 1987 | 9.7449 |
| 1986 | 11.7232 |
| 1985 | 11.0266 |
| 1984 | 11.504 |
| 1983 | 9.04558 |
| 1982 | 10.212 |
| 1981 | 9.14335 |
| 1980 | 8.80938 |
| 1979 | 14.1626 |
| 1978 | 11.7077 |
| 1977 | 17.5956 |
| 1976 | 13.7265 |
| 1975 | 8.27565 |
| 1974 | 9.7534 |
| 1973 | 11.0162 |
| 1972 | 11.7344 |
| 1971 | 8.43575 |
| 1970 | 10.6888 |
| 1969 | 9.65872 |
| 1968 | 10.2957 |
| 1967 | 10.8006 |
| 1966 | 10.7762 |
| 1965 | 10.348 |
| 1964 | 14.094 |
| 1963 | 7.5188 |
| 1962 | 13.1148 |
| 1961 | 12.931 |
| 1960 | 12.5 |