| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 1.18821 |
| 2021 | 1.18381 |
| 2020 | 1.11794 |
| 2019 | 1.10346 |
| 2018 | 1.05674 |
| 2017 | 0.965583 |
| 2016 | 0.991704 |
| 2015 | 1.09305 |
| 2014 | 1.14757 |
| 2013 | 1.18371 |
| 2012 | 1.25487 |
| 2011 | 1.27823 |
| 2010 | 1.26312 |
| 2009 | 1.2565 |
| 2008 | 1.21903 |
| 2007 | 1.17859 |
| 2006 | 1.14804 |
| 2005 | 1.13786 |
| 2004 | 1.17876 |
| 2003 | 1.19959 |
| 2002 | 1.15097 |
| 2001 | 1.12499 |
| 2000 | 1.08852 |
| 1999 | 1.02354 |
| 1998 | 0.980292 |
| 1997 | 0.947722 |
| 1996 | 0.936768 |
| 1995 | 0.895857 |
| 1994 | 0.845042 |
| 1993 | 0.835882 |
| 1992 | 0.817244 |
| 1991 | 0.763123 |
| 1990 | 0.733291 |
| 1989 | 0.74476 |
| 1988 | 0.714054 |
| 1987 | 0.693833 |
| 1986 | 0.694289 |
| 1985 | 0.682982 |
| 1984 | 0.680351 |
| 1983 | 0.616566 |
| 1982 | 0.539653 |
| 1981 | 0.474777 |
| 1980 | 0.374532 |
| 1979 | 0.321067 |
| 1978 | 0.331633 |
| 1977 | 0.399042 |
| 1976 | 0.500695 |
| 1975 | 0.567851 |
| 1974 | 0.624429 |
| 1973 | 0.641628 |
| 1972 | 0.646076 |
| 1971 | 0.697416 |
| 1970 | 0.734238 |
| 1969 | 0.787149 |
| 1968 | 0.862069 |
| 1967 | 0.897308 |
| 1966 | 0.934579 |
| 1965 | 0.970033 |
| 1964 | 1.0037 |
| 1963 | 0.959829 |
| 1962 | 0.820111 |
| 1961 | 0.698799 |
| 1960 | 0.613829 |