| 年份 | 加蓬  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 2.80015 | 
| 2021 | 2.75035 | 
| 2020 | 2.70242 | 
| 2019 | 2.65629 | 
| 2018 | 2.61257 | 
| 2017 | 2.57188 | 
| 2016 | 2.53576 | 
| 2015 | 2.50646 | 
| 2014 | 2.48493 | 
| 2013 | 2.47147 | 
| 2012 | 2.46566 | 
| 2011 | 2.46653 | 
| 2010 | 2.47193 | 
| 2009 | 2.4763 | 
| 2008 | 2.47224 | 
| 2007 | 2.46844 | 
| 2006 | 2.46953 | 
| 2005 | 2.46637 | 
| 2004 | 2.46321 | 
| 2003 | 2.46863 | 
| 2002 | 2.4719 | 
| 2001 | 2.46976 | 
| 2000 | 2.47489 | 
| 1999 | 2.48997 | 
| 1998 | 2.51786 | 
| 1997 | 2.55684 | 
| 1996 | 2.60072 | 
| 1995 | 2.64536 | 
| 1994 | 2.69017 | 
| 1993 | 2.73326 | 
| 1992 | 2.77409 | 
| 1991 | 2.81639 | 
| 1990 | 2.86335 | 
| 1989 | 2.91367 | 
| 1988 | 2.96477 | 
| 1987 | 3.01735 | 
| 1986 | 3.07185 | 
| 1985 | 3.12833 | 
| 1984 | 3.18621 | 
| 1983 | 3.24467 | 
| 1982 | 3.30393 | 
| 1981 | 3.36417 | 
| 1980 | 3.42466 | 
| 1979 | 3.48505 | 
| 1978 | 3.54566 | 
| 1977 | 3.60609 | 
| 1976 | 3.66557 | 
| 1975 | 3.72443 | 
| 1974 | 3.78285 | 
| 1973 | 3.84029 | 
| 1972 | 3.89667 | 
| 1971 | 3.95228 | 
| 1970 | 4.00839 | 
| 1969 | 4.06637 | 
| 1968 | 4.1188 | 
| 1967 | 4.16342 | 
| 1966 | 4.20602 | 
| 1965 | 4.24594 | 
| 1964 | 4.28283 | 
| 1963 | 4.31718 | 
| 1962 | 4.34895 | 
| 1961 | 4.3772 | 
| 1960 | 4.40262 |