| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 7.258 |
| 2020 | 6.909 |
| 2019 | 6.856 |
| 2018 | 6.986 |
| 2017 | 7.054 |
| 2016 | 7.238 |
| 2015 | 7.418 |
| 2014 | 7.659 |
| 2013 | 7.786 |
| 2012 | 7.914 |
| 2011 | 8.184 |
| 2010 | 8.284 |
| 2009 | 8.559 |
| 2008 | 8.686 |
| 2007 | 8.924 |
| 2006 | 9.074 |
| 2005 | 9.299 |
| 2004 | 9.405 |
| 2003 | 9.538 |
| 2002 | 9.767 |
| 2001 | 9.847 |
| 2000 | 10.002 |
| 1999 | 10.167 |
| 1998 | 10.275 |
| 1997 | 10.421 |
| 1996 | 10.545 |
| 1995 | 10.62 |
| 1994 | 10.754 |
| 1993 | 10.875 |
| 1992 | 11.076 |
| 1991 | 11.266 |
| 1990 | 11.437 |
| 1989 | 11.593 |
| 1988 | 11.846 |
| 1987 | 12.021 |
| 1986 | 12.264 |
| 1985 | 12.549 |
| 1984 | 12.883 |
| 1983 | 13.151 |
| 1982 | 13.518 |
| 1981 | 13.754 |
| 1980 | 14.027 |
| 1979 | 14.309 |
| 1978 | 14.599 |
| 1977 | 14.984 |
| 1976 | 15.309 |
| 1975 | 15.698 |
| 1974 | 16.005 |
| 1973 | 16.347 |
| 1972 | 16.631 |
| 1971 | 16.963 |
| 1970 | 17.288 |
| 1969 | 17.674 |
| 1968 | 17.977 |
| 1967 | 18.302 |
| 1966 | 18.612 |
| 1965 | 18.945 |
| 1964 | 19.348 |
| 1963 | 19.671 |
| 1962 | 20.014 |
| 1961 | 20.315 |
| 1960 | 20.64 |