| 年份 | 布基纳法索 |
|---|---|
| 2023 | - |
| 2022 | 0.311039 |
| 2021 | 0.313824 |
| 2020 | 0.315734 |
| 2019 | 0.314333 |
| 2018 | 0.310973 |
| 2017 | 0.307846 |
| 2016 | 0.305524 |
| 2015 | 0.304023 |
| 2014 | 0.303361 |
| 2013 | 0.303604 |
| 2012 | 0.304249 |
| 2011 | 0.30498 |
| 2010 | 0.306227 |
| 2009 | 0.307796 |
| 2008 | 0.309422 |
| 2007 | 0.311446 |
| 2006 | 0.313787 |
| 2005 | 0.315841 |
| 2004 | 0.317737 |
| 2003 | 0.31952 |
| 2002 | 0.320976 |
| 2001 | 0.321952 |
| 2000 | 0.322151 |
| 1999 | 0.322099 |
| 1998 | 0.322094 |
| 1997 | 0.322129 |
| 1996 | 0.321771 |
| 1995 | 0.320465 |
| 1994 | 0.318551 |
| 1993 | 0.316086 |
| 1992 | 0.312913 |
| 1991 | 0.30909 |
| 1990 | 0.304903 |
| 1989 | 0.30071 |
| 1988 | 0.296439 |
| 1987 | 0.291575 |
| 1986 | 0.285671 |
| 1985 | 0.278438 |
| 1984 | 0.270082 |
| 1983 | 0.261072 |
| 1982 | 0.251678 |
| 1981 | 0.242278 |
| 1980 | 0.233091 |
| 1979 | 0.223843 |
| 1978 | 0.214779 |
| 1977 | 0.206358 |
| 1976 | 0.198065 |
| 1975 | 0.189694 |
| 1974 | 0.181468 |
| 1973 | 0.17343 |
| 1972 | 0.16557 |
| 1971 | 0.157916 |
| 1970 | 0.150768 |
| 1969 | 0.144235 |
| 1968 | 0.138321 |
| 1967 | 0.132791 |
| 1966 | 0.127395 |
| 1965 | 0.121916 |
| 1964 | 0.11608 |
| 1963 | 0.109727 |
| 1962 | 0.102662 |
| 1961 | 0.0947515 |
| 1960 | 0.0859832 |