| 年份 | 瓦努阿图 |
|---|---|
| 2023 | - |
| 2022 | 3.55132 |
| 2021 | 3.57655 |
| 2020 | 3.59129 |
| 2019 | 3.59557 |
| 2018 | 3.58707 |
| 2017 | 3.55814 |
| 2016 | 3.51693 |
| 2015 | 3.48178 |
| 2014 | 3.45782 |
| 2013 | 3.43661 |
| 2012 | 3.42163 |
| 2011 | 3.41317 |
| 2010 | 3.40419 |
| 2009 | 3.35161 |
| 2008 | 3.25432 |
| 2007 | 3.1503 |
| 2006 | 3.03322 |
| 2005 | 2.90612 |
| 2004 | 2.77584 |
| 2003 | 2.64684 |
| 2002 | 2.51754 |
| 2001 | 2.39785 |
| 2000 | 2.30152 |
| 1999 | 2.23094 |
| 1998 | 2.18702 |
| 1997 | 2.16853 |
| 1996 | 2.17456 |
| 1995 | 2.19527 |
| 1994 | 2.22327 |
| 1993 | 2.25088 |
| 1992 | 2.27227 |
| 1991 | 2.28782 |
| 1990 | 2.29794 |
| 1989 | 2.3068 |
| 1988 | 2.32132 |
| 1987 | 2.34999 |
| 1986 | 2.39761 |
| 1985 | 2.45962 |
| 1984 | 2.52765 |
| 1983 | 2.59457 |
| 1982 | 2.65139 |
| 1981 | 2.6883 |
| 1980 | 2.69973 |
| 1979 | 2.80298 |
| 1978 | 2.91078 |
| 1977 | 2.87504 |
| 1976 | 2.79605 |
| 1975 | 2.71812 |
| 1974 | 2.64822 |
| 1973 | 2.59143 |
| 1972 | 2.54352 |
| 1971 | 2.50663 |
| 1970 | 2.47579 |
| 1969 | 2.44691 |
| 1968 | 2.42206 |
| 1967 | 2.39469 |
| 1966 | 2.36481 |
| 1965 | 2.32958 |
| 1964 | 2.28933 |
| 1963 | 2.25704 |
| 1962 | 2.23686 |
| 1961 | 2.22407 |
| 1960 | 2.21961 |