| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 2.66016 |
| 2021 | 2.67248 |
| 2020 | 2.86708 |
| 2019 | 3.26425 |
| 2018 | 2.98382 |
| 2017 | 2.2873 |
| 2016 | 1.62902 |
| 2015 | 2.18871 |
| 2014 | 3.34586 |
| 2013 | 3.55111 |
| 2012 | 3.52997 |
| 2011 | 3.54274 |
| 2010 | 4.67948 |
| 2009 | 5.07844 |
| 2008 | 4.1121 |
| 2007 | 3.67179 |
| 2006 | 3.58003 |
| 2005 | 3.6998 |
| 2004 | 3.71466 |
| 2003 | 3.13736 |
| 2002 | 2.79414 |
| 2001 | 2.47512 |
| 2000 | 2.04172 |
| 1999 | 2.37152 |
| 1998 | 1.86436 |
| 1997 | -0.112111 |
| 1996 | -0.0383705 |
| 1995 | 6.01569 |
| 1994 | 0.559848 |
| 1993 | -3.32585 |
| 1992 | 2.61539 |
| 1991 | 2.00456 |
| 1990 | 2.02809 |
| 1989 | 1.91367 |
| 1988 | 2.18753 |
| 1987 | 2.27596 |
| 1986 | 1.87562 |
| 1985 | 2.16051 |
| 1984 | 2.4197 |
| 1983 | 2.66364 |
| 1982 | 2.45317 |
| 1981 | 4.04229 |
| 1980 | 4.15187 |
| 1979 | 2.39779 |
| 1978 | 2.81139 |
| 1977 | 2.48879 |
| 1976 | 2.15459 |
| 1975 | 2.40791 |
| 1974 | 2.45002 |
| 1973 | -0.216624 |
| 1972 | -0.0802931 |
| 1971 | 2.37969 |
| 1970 | 2.12092 |
| 1969 | 2.12591 |
| 1968 | 2.35126 |
| 1967 | 2.50838 |
| 1966 | 2.38445 |
| 1965 | 2.76097 |
| 1964 | 2.8453 |
| 1963 | 2.08163 |
| 1962 | 2.50483 |
| 1961 | 2.49335 |
| 1960 | - |