| 年份 | 几内亚 |
|---|---|
| 2023 | - |
| 2022 | 4.2039 |
| 2021 | 4.14751 |
| 2020 | 4.10471 |
| 2019 | 4.07359 |
| 2018 | 4.05777 |
| 2017 | 4.05781 |
| 2016 | 4.0691 |
| 2015 | 4.08792 |
| 2014 | 4.10938 |
| 2013 | 4.13111 |
| 2012 | 4.15324 |
| 2011 | 4.17562 |
| 2010 | 4.19768 |
| 2009 | 4.21939 |
| 2008 | 4.23896 |
| 2007 | 4.25452 |
| 2006 | 4.26536 |
| 2005 | 4.27153 |
| 2004 | 4.27117 |
| 2003 | 4.26318 |
| 2002 | 4.25055 |
| 2001 | 4.24254 |
| 2000 | 4.23686 |
| 1999 | 4.22753 |
| 1998 | 4.21939 |
| 1997 | 4.22017 |
| 1996 | 4.22599 |
| 1995 | 4.22942 |
| 1994 | 4.18306 |
| 1993 | 4.12036 |
| 1992 | 4.10465 |
| 1991 | 4.10913 |
| 1990 | 4.12681 |
| 1989 | 4.21961 |
| 1988 | 4.34585 |
| 1987 | 4.42193 |
| 1986 | 4.47946 |
| 1985 | 4.51787 |
| 1984 | 4.54906 |
| 1983 | 4.58833 |
| 1982 | 4.63506 |
| 1981 | 4.68278 |
| 1980 | 4.73523 |
| 1979 | 4.7908 |
| 1978 | 4.83732 |
| 1977 | 4.87571 |
| 1976 | 4.91157 |
| 1975 | 4.94818 |
| 1974 | 4.98378 |
| 1973 | 5.01663 |
| 1972 | 5.04726 |
| 1971 | 5.07485 |
| 1970 | 5.09886 |
| 1969 | 5.11931 |
| 1968 | 5.13632 |
| 1967 | 5.14986 |
| 1966 | 5.16061 |
| 1965 | 5.16913 |
| 1964 | 5.17493 |
| 1963 | 5.17746 |
| 1962 | 5.1775 |
| 1961 | 5.17643 |
| 1960 | 5.17483 |