| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 8.33158 |
| 2021 | 3.4845 |
| 2020 | -6.01073 |
| 2019 | 25.4542 |
| 2018 | 51.2408 |
| 2017 | -7.28238 |
| 2016 | -6.55389 |
| 2015 | -10.7346 |
| 2014 | 7.86769 |
| 2013 | 2.54537 |
| 2012 | 9.14595 |
| 2011 | 12.4955 |
| 2010 | 31.5882 |
| 2009 | 0.131797 |
| 2008 | 12.5074 |
| 2007 | 3.6109 |
| 2006 | 17.1769 |
| 2005 | 9.27766 |
| 2004 | 2.68596 |
| 2003 | -10.6571 |
| 2002 | 8.17468 |
| 2001 | 0.387023 |
| 2000 | -16.4778 |
| 1999 | -23.3228 |
| 1998 | 26.0549 |
| 1997 | 13.9563 |
| 1996 | 2.44001 |
| 1995 | 0.711488 |
| 1994 | -16.1034 |
| 1993 | 5.81526 |
| 1992 | 1.87032 |
| 1991 | -1.92918 |
| 1990 | -4.71715 |
| 1989 | 6.80968 |
| 1988 | 13.6181 |
| 1987 | -39.2309 |
| 1986 | -4.15473 |
| 1985 | 1.87077 |
| 1984 | 1.70018 |
| 1983 | 14.7391 |
| 1982 | -9.55048 |
| 1981 | 43.711 |
| 1980 | 16.1345 |
| 1979 | -14.6247 |
| 1978 | -18.804 |
| 1977 | -1.1651 |
| 1976 | 12.536 |
| 1975 | 28.2084 |
| 1974 | 117.962 |
| 1973 | - |
| 1972 | 17.1733 |
| 1971 | 4.25758 |
| 1970 | 7.13429 |
| 1969 | 11.1834 |
| 1968 | 7.55239 |
| 1967 | 26.5491 |
| 1966 | 10.5671 |
| 1965 | 8.95062 |
| 1964 | 10.5802 |
| 1963 | 24.6809 |
| 1962 | 5.85585 |
| 1961 | 15.0259 |
| 1960 | - |