| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | -1.14724 |
| 2021 | -0.958635 |
| 2020 | -1.17311 |
| 2019 | -1.40448 |
| 2018 | -1.91451 |
| 2017 | -2.48916 |
| 2016 | -2.52007 |
| 2015 | -2.52493 |
| 2014 | -2.50618 |
| 2013 | -1.74329 |
| 2012 | -0.892104 |
| 2011 | -0.842288 |
| 2010 | -0.856044 |
| 2009 | -0.869391 |
| 2008 | -0.943597 |
| 2007 | -0.914548 |
| 2006 | -0.866155 |
| 2005 | -0.779147 |
| 2004 | -0.713864 |
| 2003 | -0.924385 |
| 2002 | -0.896517 |
| 2001 | -0.946227 |
| 2000 | -0.765847 |
| 1999 | -0.703224 |
| 1998 | -0.698314 |
| 1997 | -0.543938 |
| 1996 | -0.447929 |
| 1995 | -0.464469 |
| 1994 | -0.277649 |
| 1993 | -0.16622 |
| 1992 | -0.129092 |
| 1991 | -0.422989 |
| 1990 | -0.366368 |
| 1989 | -0.182682 |
| 1988 | -0.0182498 |
| 1987 | - |
| 1986 | 0.0730194 |
| 1985 | 0.182782 |
| 1984 | -0.127982 |
| 1983 | 0.0182732 |
| 1982 | 0.237856 |
| 1981 | 0.624772 |
| 1980 | 1.14944 |
| 1979 | 2.26297 |
| 1978 | 3.25673 |
| 1977 | 3.40714 |
| 1976 | 3.48511 |
| 1975 | 3.47973 |
| 1974 | 1.7641 |
| 1973 | -0.244417 |
| 1972 | -0.310215 |
| 1971 | -0.220995 |
| 1970 | -0.286565 |
| 1969 | 0.0220143 |
| 1968 | 0.441307 |
| 1967 | 0.376648 |
| 1966 | - |
| 1965 | -0.33241 |
| 1964 | -0.331309 |
| 1963 | -0.110193 |
| 1962 | -0.0440432 |
| 1961 | -0.0660284 |
| 1960 | - |