| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 7.37069 |
| 2021 | 7.07743 |
| 2020 | 5.83764 |
| 2019 | 4.81211 |
| 2018 | 5.82035 |
| 2017 | 5.79395 |
| 2016 | 5.47954 |
| 2015 | 8.11859 |
| 2014 | 6.33215 |
| 2013 | 5.10427 |
| 2012 | 4.09049 |
| 2011 | - |
| 2010 | 4.04972 |
| 2009 | - |
| 2008 | - |
| 2007 | - |
| 2006 | 3.09181 |
| 2005 | 3.17972 |
| 2004 | 3.13472 |
| 2003 | - |
| 2002 | 2.30796 |
| 2001 | 1.55591 |
| 2000 | 1.60246 |
| 1999 | 1.34068 |
| 1998 | 1.27181 |
| 1997 | - |
| 1996 | - |
| 1995 | - |
| 1994 | - |
| 1993 | 1.25022 |
| 1992 | 1.18471 |
| 1991 | 1.1339 |
| 1990 | 0.97978 |
| 1989 | 1.08798 |
| 1988 | 1.1114 |
| 1987 | 0.92476 |
| 1986 | 0.98454 |
| 1985 | 0.86965 |
| 1984 | 0.83275 |
| 1983 | - |
| 1982 | 0.75696 |
| 1981 | 0.68371 |
| 1980 | 0.75973 |
| 1979 | 0.76251 |
| 1978 | - |
| 1977 | - |
| 1976 | 0.5135 |
| 1975 | 0.41681 |
| 1974 | 0.37924 |
| 1973 | 0.28526 |
| 1972 | 0.29058 |
| 1971 | 0.29692 |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |