| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 6.87164 |
| 2021 | -1.97935 |
| 2020 | 10.0335 |
| 2019 | 14.0025 |
| 2018 | 1.35742 |
| 2017 | 3.87909 |
| 2016 | -3.29686 |
| 2015 | 8.659 |
| 2014 | 0.397084 |
| 2013 | -0.342579 |
| 2012 | -3.63917 |
| 2011 | 4.96697 |
| 2010 | 14.8096 |
| 2009 | -1.55988 |
| 2008 | -6.08516 |
| 2007 | 3.06605 |
| 2006 | -6.8278 |
| 2005 | 8.42292 |
| 2004 | 1.3309 |
| 2003 | 1.80149 |
| 2002 | -7.35627 |
| 2001 | -5.78575 |
| 2000 | -11.2 |
| 1999 | -5.30013 |
| 1998 | -6.2267 |
| 1997 | 3.37796 |
| 1996 | 2.42997 |
| 1995 | 6.23101 |
| 1994 | 4.48873 |
| 1993 | 12.5409 |
| 1992 | 2.553 |
| 1991 | 2.91287 |
| 1990 | 11.6962 |
| 1989 | 37.5851 |
| 1988 | 3.28798 |
| 1987 | -6.36943 |
| 1986 | -9.21357 |
| 1985 | -6.90831 |
| 1984 | 23.4877 |
| 1983 | 4.2504 |
| 1982 | -1.7922 |
| 1981 | -7.21953 |
| 1980 | 7.16187 |
| 1979 | -17.7933 |
| 1978 | 3.77913 |
| 1977 | -3.38875 |
| 1976 | 16.5646 |
| 1975 | 23.5519 |
| 1974 | 50.2365 |
| 1973 | 0.66651 |
| 1972 | 6.38322 |
| 1971 | 5.84438 |
| 1970 | 11.012 |
| 1969 | 15.5431 |
| 1968 | 5.8998 |
| 1967 | 28.7984 |
| 1966 | -3.61665 |
| 1965 | 8.40708 |
| 1964 | 24.1758 |
| 1963 | 25.5172 |
| 1962 | 10.687 |
| 1961 | 8.26446 |
| 1960 | - |