| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 2.64578 |
| 2020 | 3.30072 |
| 2019 | 2.24381 |
| 2018 | 2.57851 |
| 2017 | 3.06749 |
| 2016 | 2.38852 |
| 2015 | 2.23499 |
| 2014 | 2.24551 |
| 2013 | 2.27002 |
| 2012 | 2.04266 |
| 2011 | 1.51071 |
| 2010 | 1.98518 |
| 2009 | 3.01126 |
| 2008 | 3.77663 |
| 2007 | 3.15539 |
| 2006 | 3.63957 |
| 2005 | 2.8912 |
| 2004 | 2.28178 |
| 2003 | 4.72256 |
| 2002 | 4.44756 |
| 2001 | 3.85907 |
| 2000 | 3.99642 |
| 1999 | 3.97143 |
| 1998 | 4.65676 |
| 1997 | 3.9623 |
| 1996 | 3.70024 |
| 1995 | 4.47951 |
| 1994 | 4.25034 |
| 1993 | 3.56184 |
| 1992 | 2.1891 |
| 1991 | 1.92599 |
| 1990 | 2.38035 |
| 1989 | 2.1283 |
| 1988 | 2.09239 |
| 1987 | 2.21978 |
| 1986 | 2.15641 |
| 1985 | 1.80917 |
| 1984 | 1.80519 |
| 1983 | 1.93737 |
| 1982 | 1.77555 |
| 1981 | 1.67222 |
| 1980 | 2.26997 |
| 1979 | 2.70937 |
| 1978 | 2.7147 |
| 1977 | 2.0403 |
| 1976 | 1.60064 |
| 1975 | 2.56439 |
| 1974 | 4.59585 |
| 1973 | 8.67975 |
| 1972 | 10.7394 |
| 1971 | 8.59446 |
| 1970 | 9.15481 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |