| 年份 | 布基纳法索 |
|---|---|
| 2023 | - |
| 2022 | 0.363337 |
| 2021 | 0.367515 |
| 2020 | 0.367296 |
| 2019 | 0.36311 |
| 2018 | 0.357532 |
| 2017 | 0.353416 |
| 2016 | 0.350649 |
| 2015 | 0.348544 |
| 2014 | 0.346951 |
| 2013 | 0.345783 |
| 2012 | 0.345124 |
| 2011 | 0.345746 |
| 2010 | 0.348097 |
| 2009 | 0.351754 |
| 2008 | 0.356995 |
| 2007 | 0.364034 |
| 2006 | 0.372313 |
| 2005 | 0.381839 |
| 2004 | 0.39236 |
| 2003 | 0.403372 |
| 2002 | 0.414683 |
| 2001 | 0.42622 |
| 2000 | 0.437793 |
| 1999 | 0.449174 |
| 1998 | 0.460224 |
| 1997 | 0.470882 |
| 1996 | 0.48098 |
| 1995 | 0.490288 |
| 1994 | 0.499068 |
| 1993 | 0.507261 |
| 1992 | 0.514274 |
| 1991 | 0.519805 |
| 1990 | 0.524219 |
| 1989 | 0.527742 |
| 1988 | 0.529772 |
| 1987 | 0.530232 |
| 1986 | 0.529578 |
| 1985 | 0.528285 |
| 1984 | 0.52651 |
| 1983 | 0.52456 |
| 1982 | 0.522423 |
| 1981 | 0.519344 |
| 1980 | 0.515221 |
| 1979 | 0.510118 |
| 1978 | 0.503907 |
| 1977 | 0.496937 |
| 1976 | 0.489255 |
| 1975 | 0.481481 |
| 1974 | 0.474393 |
| 1973 | 0.467991 |
| 1972 | 0.46194 |
| 1971 | 0.455508 |
| 1970 | 0.448834 |
| 1969 | 0.442041 |
| 1968 | 0.435063 |
| 1967 | 0.428038 |
| 1966 | 0.421334 |
| 1965 | 0.41529 |
| 1964 | 0.409838 |
| 1963 | 0.404703 |
| 1962 | 0.399666 |
| 1961 | 0.394691 |
| 1960 | 0.389302 |