| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 0.743979 |
| 2021 | 0.742578 |
| 2020 | 0.741401 |
| 2019 | 0.740945 |
| 2018 | 0.743817 |
| 2017 | 0.750037 |
| 2016 | 0.758557 |
| 2015 | 0.768886 |
| 2014 | 0.78084 |
| 2013 | 0.793138 |
| 2012 | 0.805315 |
| 2011 | 0.818961 |
| 2010 | 0.834275 |
| 2009 | 0.850118 |
| 2008 | 0.865861 |
| 2007 | 0.881816 |
| 2006 | 0.898275 |
| 2005 | 0.914792 |
| 2004 | 0.931429 |
| 2003 | 0.948099 |
| 2002 | 0.964684 |
| 2001 | 0.981398 |
| 2000 | 0.997884 |
| 1999 | 1.01423 |
| 1998 | 1.03085 |
| 1997 | 1.04769 |
| 1996 | 1.06463 |
| 1995 | 1.08178 |
| 1994 | 1.09958 |
| 1993 | 1.11803 |
| 1992 | 1.13698 |
| 1991 | 1.15593 |
| 1990 | 1.17509 |
| 1989 | 1.19428 |
| 1988 | 1.21331 |
| 1987 | 1.23265 |
| 1986 | 1.2518 |
| 1985 | 1.27063 |
| 1984 | 1.28993 |
| 1983 | 1.30984 |
| 1982 | 1.33003 |
| 1981 | 1.34969 |
| 1980 | 1.36801 |
| 1979 | 1.38489 |
| 1978 | 1.40091 |
| 1977 | 1.41674 |
| 1976 | 1.43126 |
| 1975 | 1.44519 |
| 1974 | 1.45881 |
| 1973 | 1.47124 |
| 1972 | 1.48268 |
| 1971 | 1.49294 |
| 1970 | 1.50243 |
| 1969 | 1.51186 |
| 1968 | 1.51835 |
| 1967 | 1.52142 |
| 1966 | 1.52361 |
| 1965 | 1.52454 |
| 1964 | 1.52451 |
| 1963 | 1.52407 |
| 1962 | 1.52279 |
| 1961 | 1.51972 |
| 1960 | 1.51518 |