| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 8.34738 |
| 2021 | 8.38433 |
| 2020 | 8.45192 |
| 2019 | 8.5662 |
| 2018 | 8.72471 |
| 2017 | 8.91213 |
| 2016 | 9.10921 |
| 2015 | 9.29376 |
| 2014 | 9.44619 |
| 2013 | 9.55801 |
| 2012 | 9.6362 |
| 2011 | 9.68838 |
| 2010 | 9.71519 |
| 2009 | 9.71673 |
| 2008 | 9.69286 |
| 2007 | 9.64659 |
| 2006 | 9.58701 |
| 2005 | 9.51347 |
| 2004 | 9.42034 |
| 2003 | 9.31271 |
| 2002 | 9.19535 |
| 2001 | 9.06856 |
| 2000 | 8.93905 |
| 1999 | 8.81454 |
| 1998 | 8.69517 |
| 1997 | 8.5839 |
| 1996 | 8.48043 |
| 1995 | 8.38263 |
| 1994 | 8.28965 |
| 1993 | 8.20069 |
| 1992 | 8.11565 |
| 1991 | 8.03977 |
| 1990 | 7.9768 |
| 1989 | 7.9245 |
| 1988 | 7.88159 |
| 1987 | 7.84536 |
| 1986 | 7.8092 |
| 1985 | 7.77116 |
| 1984 | 7.73317 |
| 1983 | 7.69112 |
| 1982 | 7.64309 |
| 1981 | 7.59592 |
| 1980 | 7.5558 |
| 1979 | 7.52362 |
| 1978 | 7.50292 |
| 1977 | 7.49439 |
| 1976 | 7.49507 |
| 1975 | 7.50305 |
| 1974 | 7.49282 |
| 1973 | 7.45087 |
| 1972 | 7.41245 |
| 1971 | 7.3745 |
| 1970 | 7.30353 |
| 1969 | 7.22167 |
| 1968 | 7.18445 |
| 1967 | 7.16617 |
| 1966 | 7.13876 |
| 1965 | 7.13118 |
| 1964 | 7.15083 |
| 1963 | 7.20324 |
| 1962 | 7.28 |
| 1961 | 7.36136 |
| 1960 | 7.43702 |