| 年份 | 加蓬  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 3.72282 | 
| 2021 | 3.63801 | 
| 2020 | 3.55961 | 
| 2019 | 3.48743 | 
| 2018 | 3.4233 | 
| 2017 | 3.36624 | 
| 2016 | 3.31377 | 
| 2015 | 3.26618 | 
| 2014 | 3.22438 | 
| 2013 | 3.18606 | 
| 2012 | 3.14983 | 
| 2011 | 3.11786 | 
| 2010 | 3.09106 | 
| 2009 | 3.06892 | 
| 2008 | 3.05241 | 
| 2007 | 3.04203 | 
| 2006 | 3.03755 | 
| 2005 | 3.03815 | 
| 2004 | 3.03797 | 
| 2003 | 3.02801 | 
| 2002 | 3.02044 | 
| 2001 | 3.01948 | 
| 2000 | 3.01312 | 
| 1999 | 3.00724 | 
| 1998 | 3.01231 | 
| 1997 | 3.01529 | 
| 1996 | 3.01247 | 
| 1995 | 3.01938 | 
| 1994 | 3.04004 | 
| 1993 | 3.07888 | 
| 1992 | 3.13269 | 
| 1991 | 3.1932 | 
| 1990 | 3.25539 | 
| 1989 | 3.31738 | 
| 1988 | 3.37669 | 
| 1987 | 3.43274 | 
| 1986 | 3.48915 | 
| 1985 | 3.54984 | 
| 1984 | 3.61371 | 
| 1983 | 3.67773 | 
| 1982 | 3.74242 | 
| 1981 | 3.8088 | 
| 1980 | 3.87619 | 
| 1979 | 3.94272 | 
| 1978 | 4.0085 | 
| 1977 | 4.07381 | 
| 1976 | 4.13823 | 
| 1975 | 4.20187 | 
| 1974 | 4.26463 | 
| 1973 | 4.32664 | 
| 1972 | 4.38843 | 
| 1971 | 4.44989 | 
| 1970 | 4.51182 | 
| 1969 | 4.57558 | 
| 1968 | 4.63565 | 
| 1967 | 4.68918 | 
| 1966 | 4.74088 | 
| 1965 | 4.79047 | 
| 1964 | 4.83735 | 
| 1963 | 4.88168 | 
| 1962 | 4.92328 | 
| 1961 | 4.96234 | 
| 1960 | 4.9977 |