| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 0.268525 |
| 2020 | 0.210349 |
| 2019 | 0.241784 |
| 2018 | 0.249185 |
| 2017 | 0.183251 |
| 2016 | 0.180381 |
| 2015 | 0.259728 |
| 2014 | 0.286832 |
| 2013 | 0.212056 |
| 2012 | 0.235863 |
| 2011 | 0.209108 |
| 2010 | 0.160031 |
| 2009 | 0.128112 |
| 2008 | 0.0879978 |
| 2007 | 0.079223 |
| 2006 | 0.0921096 |
| 2005 | 0.0326186 |
| 2004 | 0.0712822 |
| 2003 | 0.0827015 |
| 2002 | 0.0866645 |
| 2001 | 0.0927655 |
| 2000 | 0.0772762 |
| 1999 | 0.0472764 |
| 1998 | 0.0424389 |
| 1997 | 0.0529871 |
| 1996 | 0.0484587 |
| 1995 | 0.0566812 |
| 1994 | 0.0438563 |
| 1993 | 0.0416943 |
| 1992 | 0.0247734 |
| 1991 | 0.0295025 |
| 1990 | 0.030291 |
| 1989 | 0.0281316 |
| 1988 | 0.024564 |
| 1987 | 0.0228745 |
| 1986 | 0.0277506 |
| 1985 | 0.0201488 |
| 1984 | 0.0148229 |
| 1983 | 0.037942 |
| 1982 | 0.0146973 |
| 1981 | 0.0238837 |
| 1980 | 0.0081758 |
| 1979 | 0.0178282 |
| 1978 | 0.0186075 |
| 1977 | 0.0221654 |
| 1976 | 0.0208981 |
| 1975 | 0.0929586 |
| 1974 | 0.254223 |
| 1973 | 0.217246 |
| 1972 | 0.0767827 |
| 1971 | 0.0729746 |
| 1970 | 0.00125155 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |