| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 3.491 |
| 2020 | 3.548 |
| 2019 | 3.615 |
| 2018 | 3.679 |
| 2017 | 3.752 |
| 2016 | 3.817 |
| 2015 | 3.889 |
| 2014 | 3.953 |
| 2013 | 4.019 |
| 2012 | 4.086 |
| 2011 | 4.151 |
| 2010 | 4.153 |
| 2009 | 4.138 |
| 2008 | 4.118 |
| 2007 | 4.142 |
| 2006 | 4.17 |
| 2005 | 4.21 |
| 2004 | 4.252 |
| 2003 | 4.299 |
| 2002 | 4.36 |
| 2001 | 4.417 |
| 2000 | 4.469 |
| 1999 | 4.502 |
| 1998 | 4.576 |
| 1997 | 4.657 |
| 1996 | 4.742 |
| 1995 | 4.884 |
| 1994 | 5.044 |
| 1993 | 5.186 |
| 1992 | 5.289 |
| 1991 | 5.373 |
| 1990 | 5.459 |
| 1989 | 5.55 |
| 1988 | 5.623 |
| 1987 | 5.667 |
| 1986 | 5.688 |
| 1985 | 5.713 |
| 1984 | 5.733 |
| 1983 | 5.759 |
| 1982 | 5.74 |
| 1981 | 5.726 |
| 1980 | 5.664 |
| 1979 | 5.608 |
| 1978 | 5.568 |
| 1977 | 5.516 |
| 1976 | 5.457 |
| 1975 | 5.391 |
| 1974 | 5.327 |
| 1973 | 5.287 |
| 1972 | 5.237 |
| 1971 | 5.163 |
| 1970 | 5.097 |
| 1969 | 5.049 |
| 1968 | 4.984 |
| 1967 | 4.919 |
| 1966 | 4.861 |
| 1965 | 4.785 |
| 1964 | 4.713 |
| 1963 | 4.649 |
| 1962 | 4.587 |
| 1961 | 4.504 |
| 1960 | 4.422 |