| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 5.74701 |
| 2021 | 5.63887 |
| 2020 | 5.52867 |
| 2019 | 5.42295 |
| 2018 | 5.32193 |
| 2017 | 5.22662 |
| 2016 | 5.13742 |
| 2015 | 5.05213 |
| 2014 | 4.97027 |
| 2013 | 4.89103 |
| 2012 | 4.81439 |
| 2011 | 4.74553 |
| 2010 | 4.6857 |
| 2009 | 4.63214 |
| 2008 | 4.58403 |
| 2007 | 4.54051 |
| 2006 | 4.49979 |
| 2005 | 4.46113 |
| 2004 | 4.42508 |
| 2003 | 4.38894 |
| 2002 | 4.35238 |
| 2001 | 4.31901 |
| 2000 | 4.29174 |
| 1999 | 4.27201 |
| 1998 | 4.26158 |
| 1997 | 4.26015 |
| 1996 | 4.26612 |
| 1995 | 4.27915 |
| 1994 | 4.28547 |
| 1993 | 4.27801 |
| 1992 | 4.27606 |
| 1991 | 4.28005 |
| 1990 | 4.27651 |
| 1989 | 4.27957 |
| 1988 | 4.29942 |
| 1987 | 4.31546 |
| 1986 | 4.32641 |
| 1985 | 4.34916 |
| 1984 | 4.38952 |
| 1983 | 4.4513 |
| 1982 | 4.52963 |
| 1981 | 4.61307 |
| 1980 | 4.69525 |
| 1979 | 4.77502 |
| 1978 | 4.84763 |
| 1977 | 4.91313 |
| 1976 | 4.98048 |
| 1975 | 5.05155 |
| 1974 | 5.12279 |
| 1973 | 5.19242 |
| 1972 | 5.26106 |
| 1971 | 5.32913 |
| 1970 | 5.39696 |
| 1969 | 5.46469 |
| 1968 | 5.53216 |
| 1967 | 5.5987 |
| 1966 | 5.66297 |
| 1965 | 5.72446 |
| 1964 | 5.78302 |
| 1963 | 5.83887 |
| 1962 | 5.89194 |
| 1961 | 5.9416 |
| 1960 | 5.98727 |