| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 2.36616 |
| 2021 | 2.4647 |
| 2020 | 2.58599 |
| 2019 | 2.70415 |
| 2018 | 2.83317 |
| 2017 | 3.02571 |
| 2016 | 3.3034 |
| 2015 | 3.61832 |
| 2014 | 3.90745 |
| 2013 | 4.10588 |
| 2012 | 4.18579 |
| 2011 | 4.17663 |
| 2010 | 4.09997 |
| 2009 | 3.99706 |
| 2008 | 3.92211 |
| 2007 | 3.8568 |
| 2006 | 3.77582 |
| 2005 | 3.68962 |
| 2004 | 3.62328 |
| 2003 | 3.58445 |
| 2002 | 3.57009 |
| 2001 | 3.56096 |
| 2000 | 3.54974 |
| 1999 | 3.54891 |
| 1998 | 3.57429 |
| 1997 | 3.60554 |
| 1996 | 3.65971 |
| 1995 | 3.73762 |
| 1994 | 3.86952 |
| 1993 | 4.38509 |
| 1992 | 4.49163 |
| 1991 | 4.59603 |
| 1990 | 4.70793 |
| 1989 | 4.81735 |
| 1988 | 4.92223 |
| 1987 | 4.76745 |
| 1986 | 4.82339 |
| 1985 | 4.87773 |
| 1984 | 4.94299 |
| 1983 | 4.98789 |
| 1982 | 5.0328 |
| 1981 | 6.76386 |
| 1980 | 6.93738 |
| 1979 | 7.1013 |
| 1978 | 7.26545 |
| 1977 | 7.40201 |
| 1976 | 7.5503 |
| 1975 | 7.67399 |
| 1974 | 7.81577 |
| 1973 | 7.95943 |
| 1972 | 8.15948 |
| 1971 | 8.37547 |
| 1970 | 7.793 |
| 1969 | 7.70321 |
| 1968 | 7.56912 |
| 1967 | 7.63151 |
| 1966 | 7.69462 |
| 1965 | 7.74119 |
| 1964 | 7.8043 |
| 1963 | 7.85482 |
| 1962 | 7.89779 |
| 1961 | 6.37817 |
| 1960 | - |