| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 0.615094 |
| 2021 | 0.618075 |
| 2020 | 0.620582 |
| 2019 | 0.622289 |
| 2018 | 0.626135 |
| 2017 | 0.633071 |
| 2016 | 0.641913 |
| 2015 | 0.652126 |
| 2014 | 0.663485 |
| 2013 | 0.674759 |
| 2012 | 0.685771 |
| 2011 | 0.69743 |
| 2010 | 0.709847 |
| 2009 | 0.722412 |
| 2008 | 0.734456 |
| 2007 | 0.746244 |
| 2006 | 0.758127 |
| 2005 | 0.770064 |
| 2004 | 0.78197 |
| 2003 | 0.793477 |
| 2002 | 0.804735 |
| 2001 | 0.816161 |
| 2000 | 0.827622 |
| 1999 | 0.839338 |
| 1998 | 0.851269 |
| 1997 | 0.863098 |
| 1996 | 0.874854 |
| 1995 | 0.886466 |
| 1994 | 0.898726 |
| 1993 | 0.912286 |
| 1992 | 0.926841 |
| 1991 | 0.941932 |
| 1990 | 0.957468 |
| 1989 | 0.973514 |
| 1988 | 0.989745 |
| 1987 | 1.00623 |
| 1986 | 1.02288 |
| 1985 | 1.03946 |
| 1984 | 1.05587 |
| 1983 | 1.07197 |
| 1982 | 1.08747 |
| 1981 | 1.1026 |
| 1980 | 1.11752 |
| 1979 | 1.13205 |
| 1978 | 1.14669 |
| 1977 | 1.16113 |
| 1976 | 1.17482 |
| 1975 | 1.18792 |
| 1974 | 1.19981 |
| 1973 | 1.21041 |
| 1972 | 1.2196 |
| 1971 | 1.22756 |
| 1970 | 1.23513 |
| 1969 | 1.24278 |
| 1968 | 1.24787 |
| 1967 | 1.24971 |
| 1966 | 1.25107 |
| 1965 | 1.25119 |
| 1964 | 1.25027 |
| 1963 | 1.24898 |
| 1962 | 1.24655 |
| 1961 | 1.24206 |
| 1960 | 1.23594 |