| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 7.44884 |
| 2021 | 7.41166 |
| 2020 | 7.35582 |
| 2019 | 7.2798 |
| 2018 | 7.18735 |
| 2017 | 7.08093 |
| 2016 | 6.95969 |
| 2015 | 6.82639 |
| 2014 | 6.68576 |
| 2013 | 6.53916 |
| 2012 | 6.39271 |
| 2011 | 6.25173 |
| 2010 | 6.11536 |
| 2009 | 5.9836 |
| 2008 | 5.85567 |
| 2007 | 5.73197 |
| 2006 | 5.61905 |
| 2005 | 5.52013 |
| 2004 | 5.43455 |
| 2003 | 5.36129 |
| 2002 | 5.29781 |
| 2001 | 5.23978 |
| 2000 | 5.18621 |
| 1999 | 5.13703 |
| 1998 | 5.08873 |
| 1997 | 5.04006 |
| 1996 | 4.9954 |
| 1995 | 4.95962 |
| 1994 | 4.93546 |
| 1993 | 4.92564 |
| 1992 | 4.9288 |
| 1991 | 4.94212 |
| 1990 | 4.96402 |
| 1989 | 4.98395 |
| 1988 | 4.98691 |
| 1987 | 4.99401 |
| 1986 | 5.01218 |
| 1985 | 5.01993 |
| 1984 | 5.02749 |
| 1983 | 5.05308 |
| 1982 | 5.07355 |
| 1981 | 5.08171 |
| 1980 | 5.10324 |
| 1979 | 5.14418 |
| 1978 | 5.21127 |
| 1977 | 5.29856 |
| 1976 | 5.39185 |
| 1975 | 5.48285 |
| 1974 | 5.569 |
| 1973 | 5.64582 |
| 1972 | 5.71273 |
| 1971 | 5.7755 |
| 1970 | 5.83772 |
| 1969 | 5.89699 |
| 1968 | 5.95852 |
| 1967 | 6.02525 |
| 1966 | 6.09087 |
| 1965 | 6.15497 |
| 1964 | 6.21637 |
| 1963 | 6.27422 |
| 1962 | 6.32891 |
| 1961 | 6.38102 |
| 1960 | 6.43048 |