| 年份 | 加蓬 |
|---|---|
| 2023 | - |
| 2022 | 2.78469 |
| 2021 | 2.74368 |
| 2020 | 2.70434 |
| 2019 | 2.66737 |
| 2018 | 2.63254 |
| 2017 | 2.59893 |
| 2016 | 2.56991 |
| 2015 | 2.54768 |
| 2014 | 2.53269 |
| 2013 | 2.52624 |
| 2012 | 2.52708 |
| 2011 | 2.53405 |
| 2010 | 2.54547 |
| 2009 | 2.55213 |
| 2008 | 2.54891 |
| 2007 | 2.5471 |
| 2006 | 2.54798 |
| 2005 | 2.54365 |
| 2004 | 2.54247 |
| 2003 | 2.54983 |
| 2002 | 2.55473 |
| 2001 | 2.55688 |
| 2000 | 2.56593 |
| 1999 | 2.58546 |
| 1998 | 2.61789 |
| 1997 | 2.66044 |
| 1996 | 2.7064 |
| 1995 | 2.75346 |
| 1994 | 2.80155 |
| 1993 | 2.84832 |
| 1992 | 2.89395 |
| 1991 | 2.94275 |
| 1990 | 2.99591 |
| 1989 | 3.05161 |
| 1988 | 3.10904 |
| 1987 | 3.16804 |
| 1986 | 3.22824 |
| 1985 | 3.28996 |
| 1984 | 3.35372 |
| 1983 | 3.41926 |
| 1982 | 3.48636 |
| 1981 | 3.55428 |
| 1980 | 3.62154 |
| 1979 | 3.68804 |
| 1978 | 3.7536 |
| 1977 | 3.81857 |
| 1976 | 3.88265 |
| 1975 | 3.94502 |
| 1974 | 4.00581 |
| 1973 | 4.06482 |
| 1972 | 4.12182 |
| 1971 | 4.17757 |
| 1970 | 4.23437 |
| 1969 | 4.29314 |
| 1968 | 4.34516 |
| 1967 | 4.38855 |
| 1966 | 4.43053 |
| 1965 | 4.47066 |
| 1964 | 4.5089 |
| 1963 | 4.54517 |
| 1962 | 4.57935 |
| 1961 | 4.61066 |
| 1960 | 4.63919 |