| 年份 | 布基纳法索 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.27601 |
| 2020 | 0.278962 |
| 2019 | 0.28203 |
| 2018 | 0.285053 |
| 2017 | 0.288215 |
| 2016 | 0.291666 |
| 2015 | 0.295224 |
| 2014 | 0.298847 |
| 2013 | 0.302499 |
| 2012 | 0.306128 |
| 2011 | 0.30977 |
| 2010 | 0.313213 |
| 2009 | 0.316421 |
| 2008 | 0.319583 |
| 2007 | 0.322625 |
| 2006 | 0.325854 |
| 2005 | 0.329343 |
| 2004 | 0.332739 |
| 2003 | 0.335979 |
| 2002 | 0.339052 |
| 2001 | 0.341803 |
| 2000 | 0.344277 |
| 1999 | 0.346467 |
| 1998 | 0.348181 |
| 1997 | 0.346873 |
| 1996 | 0.327646 |
| 1995 | 0.326467 |
| 1994 | 0.333061 |
| 1993 | 0.348575 |
| 1992 | 0.35995 |
| 1991 | 0.371594 |
| 1990 | 0.383842 |
| 1989 | 0.396842 |
| 1988 | 0.403291 |
| 1987 | 0.364553 |
| 1986 | 0.368551 |
| 1985 | 0.373472 |
| 1984 | 0.377993 |
| 1983 | 0.383074 |
| 1982 | 0.387882 |
| 1981 | 0.391649 |
| 1980 | 0.395934 |
| 1979 | 0.400004 |
| 1978 | 0.402872 |
| 1977 | 0.405201 |
| 1976 | 0.406714 |
| 1975 | 0.408247 |
| 1974 | 0.404278 |
| 1973 | 0.398291 |
| 1972 | 0.39309 |
| 1971 | 0.385438 |
| 1970 | 0.394892 |
| 1969 | 0.399221 |
| 1968 | 0.403901 |
| 1967 | 0.408959 |
| 1966 | 0.413901 |
| 1965 | 0.418579 |
| 1964 | 0.423356 |
| 1963 | 0.428914 |
| 1962 | 0.433344 |
| 1961 | 0.437682 |
| 1960 | - |