| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 1.27775 |
| 2021 | 1.29366 |
| 2020 | 1.31425 |
| 2019 | 1.33222 |
| 2018 | 1.34758 |
| 2017 | 1.36278 |
| 2016 | 1.37777 |
| 2015 | 1.39321 |
| 2014 | 1.3766 |
| 2013 | 1.33348 |
| 2012 | 1.29328 |
| 2011 | 1.24746 |
| 2010 | 1.19661 |
| 2009 | 1.18538 |
| 2008 | 1.20787 |
| 2007 | 1.22062 |
| 2006 | 1.23317 |
| 2005 | 1.24253 |
| 2004 | 1.25133 |
| 2003 | 1.26072 |
| 2002 | 1.27011 |
| 2001 | 1.27863 |
| 2000 | 1.28489 |
| 1999 | 1.28844 |
| 1998 | 1.291 |
| 1997 | 1.29448 |
| 1996 | 1.30062 |
| 1995 | 1.31125 |
| 1994 | 1.32889 |
| 1993 | 1.34366 |
| 1992 | 1.35693 |
| 1991 | 1.38015 |
| 1990 | 1.40682 |
| 1989 | 1.43656 |
| 1988 | 1.46788 |
| 1987 | 1.49951 |
| 1986 | 1.52821 |
| 1985 | 1.55323 |
| 1984 | 1.57717 |
| 1983 | 1.60028 |
| 1982 | 1.62298 |
| 1981 | 1.645 |
| 1980 | 1.67569 |
| 1979 | 1.70841 |
| 1978 | 1.7337 |
| 1977 | 1.76136 |
| 1976 | 1.78409 |
| 1975 | 1.8002 |
| 1974 | 1.8138 |
| 1973 | 1.82475 |
| 1972 | 1.82239 |
| 1971 | 1.81849 |
| 1970 | 1.8242 |
| 1969 | 1.82956 |
| 1968 | 1.83539 |
| 1967 | 1.84335 |
| 1966 | 1.85188 |
| 1965 | 1.86025 |
| 1964 | 1.87048 |
| 1963 | 1.87964 |
| 1962 | 1.8827 |
| 1961 | 1.8837 |
| 1960 | 1.87683 |