| 年份 | 瓦努阿图 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 5.395 |
| 2020 | 5.487 |
| 2019 | 5.663 |
| 2018 | 5.739 |
| 2017 | 5.829 |
| 2016 | 5.921 |
| 2015 | 6.001 |
| 2014 | 6.048 |
| 2013 | 6.041 |
| 2012 | 6.072 |
| 2011 | 6.061 |
| 2010 | 6.056 |
| 2009 | 5.93 |
| 2008 | 5.876 |
| 2007 | 5.832 |
| 2006 | 5.793 |
| 2005 | 5.751 |
| 2004 | 5.718 |
| 2003 | 5.673 |
| 2002 | 5.645 |
| 2001 | 5.642 |
| 2000 | 5.512 |
| 1999 | 5.835 |
| 1998 | 5.635 |
| 1997 | 5.675 |
| 1996 | 5.725 |
| 1995 | 6.01 |
| 1994 | 6.095 |
| 1993 | 6.214 |
| 1992 | 6.314 |
| 1991 | 6.406 |
| 1990 | 6.635 |
| 1989 | 6.852 |
| 1988 | 6.893 |
| 1987 | 7.544 |
| 1986 | 7.315 |
| 1985 | 7.68 |
| 1984 | 7.827 |
| 1983 | 8.138 |
| 1982 | 8.471 |
| 1981 | 8.823 |
| 1980 | 9.198 |
| 1979 | 8.183 |
| 1978 | 8.1 |
| 1977 | 8.458 |
| 1976 | 8.82 |
| 1975 | 9.218 |
| 1974 | 9.65 |
| 1973 | 10.107 |
| 1972 | 10.652 |
| 1971 | 11.112 |
| 1970 | 11.626 |
| 1969 | 12.155 |
| 1968 | 12.637 |
| 1967 | 13.127 |
| 1966 | 13.614 |
| 1965 | 14.109 |
| 1964 | 14.636 |
| 1963 | 15.102 |
| 1962 | 15.624 |
| 1961 | 16.138 |
| 1960 | 16.655 |