| 年份 | 布基纳法索 |
|---|---|
| 2023 | - |
| 2022 | 3.30667 |
| 2021 | 3.22802 |
| 2020 | 3.15968 |
| 2019 | 3.1028 |
| 2018 | 3.06034 |
| 2017 | 3.02993 |
| 2016 | 3.00814 |
| 2015 | 2.99426 |
| 2014 | 2.9861 |
| 2013 | 2.97972 |
| 2012 | 2.97442 |
| 2011 | 2.97126 |
| 2010 | 2.96883 |
| 2009 | 2.96511 |
| 2008 | 2.95915 |
| 2007 | 2.94839 |
| 2006 | 2.93038 |
| 2005 | 2.90531 |
| 2004 | 2.87342 |
| 2003 | 2.83759 |
| 2002 | 2.79969 |
| 2001 | 2.75877 |
| 2000 | 2.71584 |
| 1999 | 2.66895 |
| 1998 | 2.6232 |
| 1997 | 2.63752 |
| 1996 | 2.72914 |
| 1995 | 2.85152 |
| 1994 | 2.99328 |
| 1993 | 3.14281 |
| 1992 | 3.23201 |
| 1991 | 3.24412 |
| 1990 | 3.2322 |
| 1989 | 3.21577 |
| 1988 | 3.20677 |
| 1987 | 3.20763 |
| 1986 | 3.21442 |
| 1985 | 3.22268 |
| 1984 | 3.2319 |
| 1983 | 3.24144 |
| 1982 | 3.25545 |
| 1981 | 3.2814 |
| 1980 | 3.32019 |
| 1979 | 3.36998 |
| 1978 | 3.43076 |
| 1977 | 3.50054 |
| 1976 | 3.57642 |
| 1975 | 3.65791 |
| 1974 | 3.74189 |
| 1973 | 3.82487 |
| 1972 | 3.90443 |
| 1971 | 3.97976 |
| 1970 | 4.05085 |
| 1969 | 4.11738 |
| 1968 | 4.179 |
| 1967 | 4.23519 |
| 1966 | 4.28564 |
| 1965 | 4.33023 |
| 1964 | 4.36867 |
| 1963 | 4.40121 |
| 1962 | 4.42738 |
| 1961 | 4.4455 |
| 1960 | 4.45468 |