| 年份 | 几内亚 |
|---|---|
| 2023 | - |
| 2022 | 3.46925 |
| 2021 | 3.4937 |
| 2020 | 3.5344 |
| 2019 | 3.52885 |
| 2018 | 3.49823 |
| 2017 | 3.49821 |
| 2016 | 3.49317 |
| 2015 | 3.421 |
| 2014 | 3.32179 |
| 2013 | 3.28535 |
| 2012 | 3.29598 |
| 2011 | 3.32284 |
| 2010 | 3.31412 |
| 2009 | 3.29694 |
| 2008 | 3.26977 |
| 2007 | 3.15932 |
| 2006 | 2.93333 |
| 2005 | 2.85052 |
| 2004 | 3.00556 |
| 2003 | 3.12263 |
| 2002 | 2.43401 |
| 2001 | 2.18292 |
| 2000 | 2.8547 |
| 1999 | 3.14893 |
| 1998 | 2.78897 |
| 1997 | 2.99998 |
| 1996 | 3.83101 |
| 1995 | 3.7993 |
| 1994 | 4.02538 |
| 1993 | 4.08815 |
| 1992 | 4.23509 |
| 1991 | 5.04965 |
| 1990 | 4.51285 |
| 1989 | 3.647 |
| 1988 | 3.68006 |
| 1987 | 3.63565 |
| 1986 | 3.52964 |
| 1985 | 3.4087 |
| 1984 | 3.28829 |
| 1983 | 4.69037 |
| 1982 | 5.66856 |
| 1981 | 5.57177 |
| 1980 | 5.5136 |
| 1979 | 5.43276 |
| 1978 | 5.37867 |
| 1977 | 5.37374 |
| 1976 | 5.42951 |
| 1975 | 5.48779 |
| 1974 | 5.5721 |
| 1973 | 5.64948 |
| 1972 | 5.74948 |
| 1971 | 5.84919 |
| 1970 | 5.93955 |
| 1969 | 6.02294 |
| 1968 | 6.06321 |
| 1967 | 6.05937 |
| 1966 | 6.06484 |
| 1965 | 6.06762 |
| 1964 | 6.07612 |
| 1963 | 6.07976 |
| 1962 | 6.07739 |
| 1961 | 6.07791 |
| 1960 | - |