| 年份 | 几内亚 |
|---|---|
| 2023 | - |
| 2022 | 2.51126 |
| 2021 | 2.5127 |
| 2020 | 2.51138 |
| 2019 | 2.50545 |
| 2018 | 2.49608 |
| 2017 | 2.48563 |
| 2016 | 2.47545 |
| 2015 | 2.46665 |
| 2014 | 2.45926 |
| 2013 | 2.45354 |
| 2012 | 2.45032 |
| 2011 | 2.45098 |
| 2010 | 2.45496 |
| 2009 | 2.42874 |
| 2008 | 2.39137 |
| 2007 | 2.38104 |
| 2006 | 2.38172 |
| 2005 | 2.39052 |
| 2004 | 2.44327 |
| 2003 | 2.51518 |
| 2002 | 2.55837 |
| 2001 | 2.58552 |
| 2000 | 2.59992 |
| 1999 | 2.61549 |
| 1998 | 2.63788 |
| 1997 | 2.66223 |
| 1996 | 2.69006 |
| 1995 | 2.72725 |
| 1994 | 2.76686 |
| 1993 | 2.80306 |
| 1992 | 2.83718 |
| 1991 | 2.87133 |
| 1990 | 2.90707 |
| 1989 | 2.94255 |
| 1988 | 2.9766 |
| 1987 | 3.00958 |
| 1986 | 3.04004 |
| 1985 | 3.06709 |
| 1984 | 3.09065 |
| 1983 | 3.11071 |
| 1982 | 3.12727 |
| 1981 | 3.14038 |
| 1980 | 3.15 |
| 1979 | 3.15626 |
| 1978 | 3.15862 |
| 1977 | 3.15771 |
| 1976 | 3.15538 |
| 1975 | 3.15261 |
| 1974 | 3.15002 |
| 1973 | 3.14836 |
| 1972 | 3.14621 |
| 1971 | 3.14051 |
| 1970 | 3.12977 |
| 1969 | 3.11406 |
| 1968 | 3.09239 |
| 1967 | 3.06645 |
| 1966 | 3.04243 |
| 1965 | 3.02387 |
| 1964 | 3.01018 |
| 1963 | 3.0019 |
| 1962 | 2.9984 |
| 1961 | 2.99457 |
| 1960 | 2.98725 |