| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | -0.31765 |
| 2021 | -1.43227 |
| 2020 | -2 |
| 2019 | 0.945515 |
| 2018 | -0.4 |
| 2017 | 0.42 |
| 2016 | 2.3 |
| 2015 | 4.1 |
| 2014 | 5.54 |
| 2013 | 8.151 |
| 2012 | 6.221 |
| 2011 | 7.21592 |
| 2010 | 7.50908 |
| 2009 | 5.01473 |
| 2008 | 3.28453 |
| 2007 | 3.58247 |
| 2006 | 6.17919 |
| 2005 | 5.01173 |
| 2004 | 2.81011 |
| 2003 | 0.28161 |
| 2002 | 2.14814 |
| 2001 | -0.295622 |
| 2000 | 4.47008 |
| 1999 | 5.76455 |
| 1998 | 21.0195 |
| 1997 | -0.727119 |
| 1996 | -9.48546 |
| 1995 | 1.67259 |
| 1994 | -10.6187 |
| 1993 | -0.808277 |
| 1992 | -2.35214 |
| 1991 | -1.92853 |
| 1990 | -3.04348 |
| 1989 | 35.4998 |
| 1988 | -11.9625 |
| 1987 | -16.0298 |
| 1986 | 24.2017 |
| 1985 | -5.75563 |
| 1984 | -8.47381 |
| 1983 | 22.6509 |
| 1982 | -10.5367 |
| 1981 | 10.2312 |
| 1980 | 1.21763 |
| 1979 | -9.53053 |
| 1978 | 37.898 |
| 1977 | 11.0398 |
| 1976 | 16.0226 |
| 1975 | 4.49834 |
| 1974 | -15.7526 |
| 1973 | 16.2026 |
| 1972 | 7.64715 |
| 1971 | 8.00155 |
| 1970 | 5.2859 |
| 1969 | 4.1837 |
| 1968 | 1.56937 |
| 1967 | 26.2385 |
| 1966 | -10.8542 |
| 1965 | 15.6164 |
| 1964 | 5.7971 |
| 1963 | 30.6818 |
| 1962 | 11.3924 |
| 1961 | 8.21918 |
| 1960 | - |