| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 9.38437 |
| 2021 | 9.3266 |
| 2020 | 9.29584 |
| 2019 | 9.28985 |
| 2018 | 9.30802 |
| 2017 | 9.35151 |
| 2016 | 9.4155 |
| 2015 | 9.5051 |
| 2014 | 9.63263 |
| 2013 | 9.79732 |
| 2012 | 9.9839 |
| 2011 | 10.18 |
| 2010 | 10.3694 |
| 2009 | 10.5325 |
| 2008 | 10.6595 |
| 2007 | 10.7538 |
| 2006 | 10.8188 |
| 2005 | 10.8544 |
| 2004 | 10.8637 |
| 2003 | 10.8489 |
| 2002 | 10.8133 |
| 2001 | 10.7651 |
| 2000 | 10.7012 |
| 1999 | 10.6121 |
| 1998 | 10.5033 |
| 1997 | 10.3826 |
| 1996 | 10.2505 |
| 1995 | 10.1158 |
| 1994 | 9.98982 |
| 1993 | 9.87309 |
| 1992 | 9.76713 |
| 1991 | 9.6698 |
| 1990 | 9.57644 |
| 1989 | 9.48622 |
| 1988 | 9.39688 |
| 1987 | 9.3076 |
| 1986 | 9.22539 |
| 1985 | 9.15448 |
| 1984 | 9.09258 |
| 1983 | 9.03767 |
| 1982 | 8.9871 |
| 1981 | 8.93536 |
| 1980 | 8.87975 |
| 1979 | 8.82071 |
| 1978 | 8.75426 |
| 1977 | 8.67803 |
| 1976 | 8.60001 |
| 1975 | 8.52907 |
| 1974 | 8.46844 |
| 1973 | 8.42267 |
| 1972 | 8.39253 |
| 1971 | 8.37092 |
| 1970 | 8.35004 |
| 1969 | 8.29584 |
| 1968 | 8.20603 |
| 1967 | 8.13196 |
| 1966 | 8.07068 |
| 1965 | 7.99426 |
| 1964 | 7.93143 |
| 1963 | 7.90078 |
| 1962 | 7.86065 |
| 1961 | 7.81041 |
| 1960 | 7.7819 |