| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 6.9042 |
| 2021 | 6.85561 |
| 2020 | 6.79492 |
| 2019 | 6.71976 |
| 2018 | 6.63265 |
| 2017 | 6.53702 |
| 2016 | 6.43333 |
| 2015 | 6.32434 |
| 2014 | 6.21479 |
| 2013 | 6.10568 |
| 2012 | 6.00052 |
| 2011 | 5.90165 |
| 2010 | 5.80662 |
| 2009 | 5.71413 |
| 2008 | 5.62306 |
| 2007 | 5.53391 |
| 2006 | 5.45249 |
| 2005 | 5.38231 |
| 2004 | 5.32201 |
| 2003 | 5.26931 |
| 2002 | 5.22348 |
| 2001 | 5.18154 |
| 2000 | 5.14163 |
| 1999 | 5.1045 |
| 1998 | 5.06745 |
| 1997 | 5.02913 |
| 1996 | 4.99374 |
| 1995 | 4.9663 |
| 1994 | 4.94882 |
| 1993 | 4.94351 |
| 1992 | 4.95062 |
| 1991 | 4.96716 |
| 1990 | 4.99114 |
| 1989 | 5.00598 |
| 1988 | 5.00275 |
| 1987 | 5.00392 |
| 1986 | 5.01034 |
| 1985 | 5.00614 |
| 1984 | 5.00856 |
| 1983 | 5.02914 |
| 1982 | 5.04371 |
| 1981 | 5.05173 |
| 1980 | 5.07266 |
| 1979 | 5.11177 |
| 1978 | 5.17387 |
| 1977 | 5.25372 |
| 1976 | 5.33826 |
| 1975 | 5.42089 |
| 1974 | 5.49946 |
| 1973 | 5.56947 |
| 1972 | 5.63134 |
| 1971 | 5.69274 |
| 1970 | 5.75506 |
| 1969 | 5.81441 |
| 1968 | 5.87668 |
| 1967 | 5.94368 |
| 1966 | 6.00973 |
| 1965 | 6.07453 |
| 1964 | 6.13728 |
| 1963 | 6.19841 |
| 1962 | 6.25773 |
| 1961 | 6.31464 |
| 1960 | 6.36802 |