| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 0.992016 |
| 2021 | 0.994246 |
| 2020 | 0.993265 |
| 2019 | 0.988532 |
| 2018 | 0.986448 |
| 2017 | 0.985183 |
| 2016 | 0.982871 |
| 2015 | 0.984703 |
| 2014 | 0.992239 |
| 2013 | 1.00613 |
| 2012 | 1.02504 |
| 2011 | 1.04687 |
| 2010 | 1.06985 |
| 2009 | 1.09233 |
| 2008 | 1.11238 |
| 2007 | 1.12992 |
| 2006 | 1.14717 |
| 2005 | 1.16574 |
| 2004 | 1.18481 |
| 2003 | 1.2034 |
| 2002 | 1.22205 |
| 2001 | 1.24095 |
| 2000 | 1.25998 |
| 1999 | 1.27895 |
| 1998 | 1.29737 |
| 1997 | 1.31634 |
| 1996 | 1.33647 |
| 1995 | 1.35691 |
| 1994 | 1.37814 |
| 1993 | 1.40034 |
| 1992 | 1.42329 |
| 1991 | 1.44749 |
| 1990 | 1.47289 |
| 1989 | 1.49931 |
| 1988 | 1.52699 |
| 1987 | 1.55568 |
| 1986 | 1.58484 |
| 1985 | 1.61446 |
| 1984 | 1.64444 |
| 1983 | 1.67448 |
| 1982 | 1.70434 |
| 1981 | 1.73443 |
| 1980 | 1.76384 |
| 1979 | 1.7917 |
| 1978 | 1.8187 |
| 1977 | 1.84399 |
| 1976 | 1.86814 |
| 1975 | 1.89227 |
| 1974 | 1.91533 |
| 1973 | 1.93753 |
| 1972 | 1.95905 |
| 1971 | 1.97906 |
| 1970 | 1.9989 |
| 1969 | 2.01959 |
| 1968 | 2.03612 |
| 1967 | 2.04738 |
| 1966 | 2.05684 |
| 1965 | 2.06427 |
| 1964 | 2.07004 |
| 1963 | 2.07416 |
| 1962 | 2.07649 |
| 1961 | 2.07757 |
| 1960 | 2.07702 |