| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 8.18245 |
| 2021 | 8.20156 |
| 2020 | 8.18134 |
| 2019 | 8.24122 |
| 2018 | 8.33779 |
| 2017 | 8.53059 |
| 2016 | 8.92395 |
| 2015 | 9.29404 |
| 2014 | 9.39222 |
| 2013 | 9.35615 |
| 2012 | 9.3387 |
| 2011 | 9.35795 |
| 2010 | 9.41057 |
| 2009 | 9.40911 |
| 2008 | 9.25961 |
| 2007 | 9.06086 |
| 2006 | 8.71582 |
| 2005 | 8.15468 |
| 2004 | 7.60151 |
| 2003 | 7.09631 |
| 2002 | 6.63255 |
| 2001 | 6.29056 |
| 2000 | 6.05997 |
| 1999 | 5.90895 |
| 1998 | 5.80475 |
| 1997 | 5.86492 |
| 1996 | 6.14828 |
| 1995 | 6.50476 |
| 1994 | 6.88468 |
| 1993 | 7.42628 |
| 1992 | 8.03894 |
| 1991 | 8.59046 |
| 1990 | 9.17338 |
| 1989 | 9.89113 |
| 1988 | 10.5743 |
| 1987 | 11.0667 |
| 1986 | 11.4364 |
| 1985 | 11.5951 |
| 1984 | 11.6436 |
| 1983 | 11.4575 |
| 1982 | 10.922 |
| 1981 | 10.1461 |
| 1980 | 9.21492 |
| 1979 | 8.39281 |
| 1978 | 7.96683 |
| 1977 | 7.90698 |
| 1976 | 7.98183 |
| 1975 | 8.0916 |
| 1974 | 8.05822 |
| 1973 | 7.84958 |
| 1972 | 7.68806 |
| 1971 | 7.5 |
| 1970 | 7.21746 |
| 1969 | 6.95538 |
| 1968 | 6.08286 |
| 1967 | 4.58837 |
| 1966 | 3.11438 |
| 1965 | 1.89707 |
| 1964 | 1.22882 |
| 1963 | 1.74689 |
| 1962 | 3.39396 |
| 1961 | 5.12191 |
| 1960 | 6.37692 |