| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 3.83521 |
| 2021 | 3.16189 |
| 2020 | 5.5195 |
| 2019 | 6.1407 |
| 2018 | -21.4681 |
| 2017 | -1.33571 |
| 2016 | -2.94797 |
| 2015 | -7.27129 |
| 2014 | 1.60668 |
| 2013 | 11.8483 |
| 2012 | 5.81631 |
| 2011 | 10.2191 |
| 2010 | 8.1662 |
| 2009 | 6.33295 |
| 2008 | 4.87508 |
| 2007 | 6.45851 |
| 2006 | 10.9718 |
| 2005 | 2.54091 |
| 2004 | 0.56611 |
| 2003 | 1.12479 |
| 2002 | 2.77585 |
| 2001 | 16.6335 |
| 2000 | -6.34939 |
| 1999 | -16.9 |
| 1998 | 25.2 |
| 1997 | 1.6 |
| 1996 | 17.9 |
| 1995 | 0.357498 |
| 1994 | 0.820225 |
| 1993 | -2.02137 |
| 1992 | 5.65182 |
| 1991 | 3.13276 |
| 1990 | -2.90055 |
| 1989 | -9.83811 |
| 1988 | -1.31094 |
| 1987 | -19.5186 |
| 1986 | -5.36661 |
| 1985 | -2.19713 |
| 1984 | 9.23333 |
| 1983 | 21.1143 |
| 1982 | 4.86876 |
| 1981 | 18.7531 |
| 1980 | 32.221 |
| 1979 | -1.76577 |
| 1978 | -27.9746 |
| 1977 | 12.0043 |
| 1976 | 12.2143 |
| 1975 | 53.9544 |
| 1974 | 20.0425 |
| 1973 | -15.4613 |
| 1972 | 32.9384 |
| 1971 | 9.89584 |
| 1970 | 6.37119 |
| 1969 | 7.44048 |
| 1968 | 5.66037 |
| 1967 | 22.7799 |
| 1966 | 10.6838 |
| 1965 | 1.02041 |
| 1964 | 11.3636 |
| 1963 | 8.64197 |
| 1962 | 3.84616 |
| 1961 | 21.875 |
| 1960 | - |