| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 3.88691 |
| 2021 | 3.89782 |
| 2020 | 3.90439 |
| 2019 | 3.89946 |
| 2018 | 3.89364 |
| 2017 | 3.89428 |
| 2016 | 3.90172 |
| 2015 | 3.91631 |
| 2014 | 3.94282 |
| 2013 | 3.98454 |
| 2012 | 4.03173 |
| 2011 | 4.0815 |
| 2010 | 4.13844 |
| 2009 | 4.20098 |
| 2008 | 4.26778 |
| 2007 | 4.33767 |
| 2006 | 4.41002 |
| 2005 | 4.48455 |
| 2004 | 4.55847 |
| 2003 | 4.62867 |
| 2002 | 4.69711 |
| 2001 | 4.76707 |
| 2000 | 4.83898 |
| 1999 | 4.91181 |
| 1998 | 4.98495 |
| 1997 | 5.05939 |
| 1996 | 5.13558 |
| 1995 | 5.21394 |
| 1994 | 5.29603 |
| 1993 | 5.38178 |
| 1992 | 5.47151 |
| 1991 | 5.56443 |
| 1990 | 5.65971 |
| 1989 | 5.75745 |
| 1988 | 5.85735 |
| 1987 | 5.95879 |
| 1986 | 6.06062 |
| 1985 | 6.16347 |
| 1984 | 6.26793 |
| 1983 | 6.37309 |
| 1982 | 6.47853 |
| 1981 | 6.58261 |
| 1980 | 6.68274 |
| 1979 | 6.77846 |
| 1978 | 6.87089 |
| 1977 | 6.96048 |
| 1976 | 7.04535 |
| 1975 | 7.12704 |
| 1974 | 7.20541 |
| 1973 | 7.27969 |
| 1972 | 7.34955 |
| 1971 | 7.41594 |
| 1970 | 7.48176 |
| 1969 | 7.54822 |
| 1968 | 7.60062 |
| 1967 | 7.63515 |
| 1966 | 7.66444 |
| 1965 | 7.68773 |
| 1964 | 7.70447 |
| 1963 | 7.71538 |
| 1962 | 7.72044 |
| 1961 | 7.71823 |
| 1960 | 7.70854 |