| 年份 | 加蓬  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 0.0225266 | 
| 2020 | 0.00793166 | 
| 2019 | 0.00566241 | 
| 2018 | 0.00516332 | 
| 2017 | 0.05579 | 
| 2016 | 0.0747485 | 
| 2015 | 0.0723134 | 
| 2014 | 0.0589251 | 
| 2013 | 0.0837807 | 
| 2012 | 0.0746905 | 
| 2011 | - | 
| 2010 | - | 
| 2009 | 0.0238124 | 
| 2008 | 0.0157221 | 
| 2007 | 0.0149889 | 
| 2006 | 0.0158395 | 
| 2005 | 0.00610762 | 
| 2004 | 0.00486988 | 
| 2003 | 0.00141526 | 
| 2002 | 0.00340576 | 
| 2001 | 0.00281637 | 
| 2000 | 0.0028218 | 
| 1999 | 0.00186858 | 
| 1998 | 0.00271914 | 
| 1997 | 0.0028714 | 
| 1996 | 0.00441453 | 
| 1995 | 0.00197423 | 
| 1994 | 0.0081359 | 
| 1993 | 0.0101324 | 
| 1992 | 0.00375513 | 
| 1991 | 0.00601571 | 
| 1990 | 0.00296129 | 
| 1989 | 0.00485634 | 
| 1988 | 0.0152571 | 
| 1987 | 0.0122172 | 
| 1986 | 0.00621763 | 
| 1985 | 0.00435734 | 
| 1984 | 0.0048377 | 
| 1983 | 0.00302324 | 
| 1982 | 0.00203116 | 
| 1981 | 0.00298586 | 
| 1980 | 0.00458984 | 
| 1979 | 0.00257097 | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | 0.000347955 | 
| 1974 | 0.00749619 | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |