| 年份 | 几内亚 |
|---|---|
| 2023 | - |
| 2022 | 2.97912 |
| 2021 | 2.98713 |
| 2020 | 2.9953 |
| 2019 | 3.00253 |
| 2018 | 3.00849 |
| 2017 | 3.0132 |
| 2016 | 3.0162 |
| 2015 | 3.01672 |
| 2014 | 3.0133 |
| 2013 | 3.00609 |
| 2012 | 2.99669 |
| 2011 | 2.98679 |
| 2010 | 2.97808 |
| 2009 | 2.97177 |
| 2008 | 2.96812 |
| 2007 | 2.96702 |
| 2006 | 2.96902 |
| 2005 | 2.97252 |
| 2004 | 2.93814 |
| 2003 | 2.89093 |
| 2002 | 2.87743 |
| 2001 | 2.87547 |
| 2000 | 2.88399 |
| 1999 | 2.94763 |
| 1998 | 3.03406 |
| 1997 | 3.08443 |
| 1996 | 3.12367 |
| 1995 | 3.1542 |
| 1994 | 3.18071 |
| 1993 | 3.21424 |
| 1992 | 3.25454 |
| 1991 | 3.29643 |
| 1990 | 3.34217 |
| 1989 | 3.39049 |
| 1988 | 3.43347 |
| 1987 | 3.47229 |
| 1986 | 3.50998 |
| 1985 | 3.54818 |
| 1984 | 3.58502 |
| 1983 | 3.61907 |
| 1982 | 3.65071 |
| 1981 | 3.6789 |
| 1980 | 3.70307 |
| 1979 | 3.72363 |
| 1978 | 3.74004 |
| 1977 | 3.75205 |
| 1976 | 3.7608 |
| 1975 | 3.76717 |
| 1974 | 3.77157 |
| 1973 | 3.77384 |
| 1972 | 3.77443 |
| 1971 | 3.7747 |
| 1970 | 3.77526 |
| 1969 | 3.7761 |
| 1968 | 3.77771 |
| 1967 | 3.77822 |
| 1966 | 3.77359 |
| 1965 | 3.76169 |
| 1964 | 3.7429 |
| 1963 | 3.71643 |
| 1962 | 3.68461 |
| 1961 | 3.65491 |
| 1960 | 3.6317 |