| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 5.078 |
| 2020 | 5.177 |
| 2019 | 5.271 |
| 2018 | 5.38 |
| 2017 | 5.481 |
| 2016 | 5.587 |
| 2015 | 5.695 |
| 2014 | 5.794 |
| 2013 | 5.889 |
| 2012 | 5.991 |
| 2011 | 6.108 |
| 2010 | 6.26 |
| 2009 | 6.409 |
| 2008 | 6.515 |
| 2007 | 6.588 |
| 2006 | 6.659 |
| 2005 | 6.708 |
| 2004 | 6.746 |
| 2003 | 6.785 |
| 2002 | 6.819 |
| 2001 | 6.849 |
| 2000 | 6.872 |
| 1999 | 6.897 |
| 1998 | 6.958 |
| 1997 | 7.04 |
| 1996 | 7.123 |
| 1995 | 7.184 |
| 1994 | 7.23 |
| 1993 | 7.272 |
| 1992 | 7.301 |
| 1991 | 7.336 |
| 1990 | 7.365 |
| 1989 | 7.387 |
| 1988 | 7.383 |
| 1987 | 7.38 |
| 1986 | 7.32 |
| 1985 | 7.294 |
| 1984 | 7.295 |
| 1983 | 7.298 |
| 1982 | 7.314 |
| 1981 | 7.329 |
| 1980 | 7.353 |
| 1979 | 7.307 |
| 1978 | 7.259 |
| 1977 | 7.245 |
| 1976 | 7.248 |
| 1975 | 7.244 |
| 1974 | 7.222 |
| 1973 | 7.215 |
| 1972 | 7.21 |
| 1971 | 7.213 |
| 1970 | 7.214 |
| 1969 | 7.215 |
| 1968 | 7.18 |
| 1967 | 7.156 |
| 1966 | 7.135 |
| 1965 | 7.113 |
| 1964 | 7.09 |
| 1963 | 7.067 |
| 1962 | 7.038 |
| 1961 | 7.023 |
| 1960 | 7.003 |