| 年份 | 布隆迪 |
|---|---|
| 2023 | - |
| 2022 | 3.15789 |
| 2021 | 3.05904 |
| 2020 | 2.96996 |
| 2019 | 2.89532 |
| 2018 | 2.83735 |
| 2017 | 2.77852 |
| 2016 | 2.72009 |
| 2015 | 2.68607 |
| 2014 | 2.65409 |
| 2013 | 2.61523 |
| 2012 | 2.59399 |
| 2011 | 2.5887 |
| 2010 | 2.59602 |
| 2009 | 2.60596 |
| 2008 | 2.62616 |
| 2007 | 2.66405 |
| 2006 | 2.7161 |
| 2005 | 2.77572 |
| 2004 | 2.83087 |
| 2003 | 2.88262 |
| 2002 | 2.93723 |
| 2001 | 2.9915 |
| 2000 | 3.04729 |
| 1999 | 3.02391 |
| 1998 | 2.92489 |
| 1997 | 2.83699 |
| 1996 | 2.76532 |
| 1995 | 2.68786 |
| 1994 | 2.60176 |
| 1993 | 2.66729 |
| 1992 | 2.76939 |
| 1991 | 2.78771 |
| 1990 | 2.81121 |
| 1989 | 2.83536 |
| 1988 | 2.86315 |
| 1987 | 2.88951 |
| 1986 | 2.91445 |
| 1985 | 2.93991 |
| 1984 | 2.95765 |
| 1983 | 2.97082 |
| 1982 | 2.9819 |
| 1981 | 2.99858 |
| 1980 | 3.00085 |
| 1979 | 3.00404 |
| 1978 | 3.02711 |
| 1977 | 3.04582 |
| 1976 | 3.07228 |
| 1975 | 3.10842 |
| 1974 | 3.14644 |
| 1973 | 3.18624 |
| 1972 | 3.25092 |
| 1971 | 3.31262 |
| 1970 | 3.35295 |
| 1969 | 3.39371 |
| 1968 | 3.43196 |
| 1967 | 3.46664 |
| 1966 | 3.5013 |
| 1965 | 3.53984 |
| 1964 | 3.57855 |
| 1963 | 3.61901 |
| 1962 | 3.66378 |
| 1961 | 3.7017 |
| 1960 | 3.73185 |