| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 2.24157 |
| 2021 | 2.26605 |
| 2020 | 2.47154 |
| 2019 | 2.87946 |
| 2018 | 2.60968 |
| 2017 | 1.92367 |
| 2016 | 1.27582 |
| 2015 | 1.84581 |
| 2014 | 3.01317 |
| 2013 | 3.22628 |
| 2012 | 3.21629 |
| 2011 | 3.23676 |
| 2010 | 4.38225 |
| 2009 | 4.79098 |
| 2008 | 3.8299 |
| 2007 | 3.39814 |
| 2006 | 3.31264 |
| 2005 | 3.43972 |
| 2004 | 3.46075 |
| 2003 | 2.88957 |
| 2002 | 2.55241 |
| 2001 | 2.24053 |
| 2000 | 1.8131 |
| 1999 | 2.14777 |
| 1998 | 1.63462 |
| 1997 | -0.334856 |
| 1996 | -0.255222 |
| 1995 | 5.80361 |
| 1994 | 0.354651 |
| 1993 | -3.52527 |
| 1992 | 2.42063 |
| 1991 | 1.80806 |
| 1990 | 1.78937 |
| 1989 | 1.68297 |
| 1988 | 1.96479 |
| 1987 | 2.06109 |
| 1986 | 1.66861 |
| 1985 | 1.96235 |
| 1984 | 2.2272 |
| 1983 | 2.47882 |
| 1982 | 2.27395 |
| 1981 | 3.87071 |
| 1980 | 3.9837 |
| 1979 | 2.2174 |
| 1978 | 2.63759 |
| 1977 | 2.32253 |
| 1976 | 1.99586 |
| 1975 | 2.25463 |
| 1974 | 2.3042 |
| 1973 | -0.356033 |
| 1972 | -0.215413 |
| 1971 | 2.25095 |
| 1970 | 1.99852 |
| 1969 | 2.00776 |
| 1968 | 2.23837 |
| 1967 | 2.3997 |
| 1966 | 2.28104 |
| 1965 | 2.69856 |
| 1964 | 2.8044 |
| 1963 | 2.04177 |
| 1962 | 2.46497 |
| 1961 | 2.45451 |
| 1960 | - |