| 年份 | 几内亚 |
|---|---|
| 2023 | - |
| 2022 | 2.10308 |
| 2021 | 2.10608 |
| 2020 | 2.10372 |
| 2019 | 2.09392 |
| 2018 | 2.07804 |
| 2017 | 2.05959 |
| 2016 | 2.04054 |
| 2015 | 2.02296 |
| 2014 | 2.00814 |
| 2013 | 1.99666 |
| 2012 | 1.98959 |
| 2011 | 1.98823 |
| 2010 | 1.9919 |
| 2009 | 1.96133 |
| 2008 | 1.91579 |
| 2007 | 1.90103 |
| 2006 | 1.90125 |
| 2005 | 1.91274 |
| 2004 | 1.97701 |
| 2003 | 2.06612 |
| 2002 | 2.12241 |
| 2001 | 2.161 |
| 2000 | 2.18422 |
| 1999 | 2.20395 |
| 1998 | 2.22802 |
| 1997 | 2.25461 |
| 1996 | 2.28417 |
| 1995 | 2.32201 |
| 1994 | 2.36399 |
| 1993 | 2.40428 |
| 1992 | 2.44433 |
| 1991 | 2.48594 |
| 1990 | 2.53012 |
| 1989 | 2.57601 |
| 1988 | 2.62309 |
| 1987 | 2.67147 |
| 1986 | 2.71892 |
| 1985 | 2.76365 |
| 1984 | 2.80505 |
| 1983 | 2.84216 |
| 1982 | 2.87454 |
| 1981 | 2.90312 |
| 1980 | 2.92846 |
| 1979 | 2.95015 |
| 1978 | 2.9677 |
| 1977 | 2.9815 |
| 1976 | 2.99201 |
| 1975 | 2.99986 |
| 1974 | 3.00614 |
| 1973 | 3.01159 |
| 1972 | 3.01509 |
| 1971 | 3.01483 |
| 1970 | 3.01006 |
| 1969 | 3.00089 |
| 1968 | 2.98648 |
| 1967 | 2.96849 |
| 1966 | 2.95262 |
| 1965 | 2.94253 |
| 1964 | 2.93798 |
| 1963 | 2.93946 |
| 1962 | 2.94621 |
| 1961 | 2.95289 |
| 1960 | 2.95619 |