| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 0.689774 |
| 2021 | 0.677672 |
| 2020 | 0.710277 |
| 2019 | 0.742771 |
| 2018 | 0.748263 |
| 2017 | 0.759268 |
| 2016 | 0.766693 |
| 2015 | 0.738894 |
| 2014 | 0.693087 |
| 2013 | 0.673998 |
| 2012 | 0.679178 |
| 2011 | 0.700255 |
| 2010 | 0.740261 |
| 2009 | 0.780956 |
| 2008 | 0.832217 |
| 2007 | 0.904142 |
| 2006 | 0.947587 |
| 2005 | 0.941695 |
| 2004 | 0.905668 |
| 2003 | 0.87928 |
| 2002 | 0.898266 |
| 2001 | 0.952481 |
| 2000 | 1.0065 |
| 1999 | 1.00936 |
| 1998 | 0.949868 |
| 1997 | 0.899852 |
| 1996 | 0.850973 |
| 1995 | 0.780999 |
| 1994 | 0.709983 |
| 1993 | 0.617953 |
| 1992 | 0.524992 |
| 1991 | 0.477248 |
| 1990 | 0.464905 |
| 1989 | 0.44012 |
| 1988 | 0.44997 |
| 1987 | 0.472727 |
| 1986 | 0.471347 |
| 1985 | 0.469901 |
| 1984 | 0.479213 |
| 1983 | 0.513023 |
| 1982 | 0.522648 |
| 1981 | 0.532569 |
| 1980 | 0.570713 |
| 1979 | 0.585213 |
| 1978 | 0.592329 |
| 1977 | 0.651163 |
| 1976 | 0.713822 |
| 1975 | 0.780322 |
| 1974 | 0.86972 |
| 1973 | 0.930997 |
| 1972 | 0.919625 |
| 1971 | 0.87037 |
| 1970 | 0.839239 |
| 1969 | 0.806149 |
| 1968 | 0.828625 |
| 1967 | 0.849698 |
| 1966 | 0.887127 |
| 1965 | 0.957926 |
| 1964 | 1.0054 |
| 1963 | 0.984947 |
| 1962 | 0.843803 |
| 1961 | 0.680401 |
| 1960 | 0.588347 |