| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 0.681047 |
| 2021 | 0.695397 |
| 2020 | 0.706963 |
| 2019 | 0.714271 |
| 2018 | 0.720934 |
| 2017 | 0.728162 |
| 2016 | 0.7365 |
| 2015 | 0.74631 |
| 2014 | 0.757581 |
| 2013 | 0.769453 |
| 2012 | 0.782002 |
| 2011 | 0.795149 |
| 2010 | 0.808308 |
| 2009 | 0.821539 |
| 2008 | 0.834879 |
| 2007 | 0.847693 |
| 2006 | 0.860079 |
| 2005 | 0.871871 |
| 2004 | 0.882391 |
| 2003 | 0.892247 |
| 2002 | 0.902171 |
| 2001 | 0.912551 |
| 2000 | 0.922988 |
| 1999 | 0.933139 |
| 1998 | 0.943323 |
| 1997 | 0.953215 |
| 1996 | 0.962497 |
| 1995 | 0.972169 |
| 1994 | 0.98221 |
| 1993 | 0.992215 |
| 1992 | 1.00287 |
| 1991 | 1.01372 |
| 1990 | 1.02472 |
| 1989 | 1.03608 |
| 1988 | 1.04778 |
| 1987 | 1.05958 |
| 1986 | 1.07115 |
| 1985 | 1.08283 |
| 1984 | 1.09522 |
| 1983 | 1.10766 |
| 1982 | 1.12005 |
| 1981 | 1.13119 |
| 1980 | 1.14012 |
| 1979 | 1.1478 |
| 1978 | 1.15402 |
| 1977 | 1.1597 |
| 1976 | 1.16379 |
| 1975 | 1.16703 |
| 1974 | 1.17047 |
| 1973 | 1.17309 |
| 1972 | 1.17462 |
| 1971 | 1.17605 |
| 1970 | 1.17771 |
| 1969 | 1.17927 |
| 1968 | 1.17828 |
| 1967 | 1.1733 |
| 1966 | 1.16803 |
| 1965 | 1.16248 |
| 1964 | 1.15501 |
| 1963 | 1.14522 |
| 1962 | 1.1337 |
| 1961 | 1.12159 |
| 1960 | 1.10848 |