| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 0.534575 |
| 2021 | 0.54735 |
| 2020 | 0.5349 |
| 2019 | 0.521708 |
| 2018 | 0.534474 |
| 2017 | 0.527021 |
| 2016 | 0.517072 |
| 2015 | 0.525238 |
| 2014 | 0.559801 |
| 2013 | 0.576446 |
| 2012 | 0.563003 |
| 2011 | 0.58203 |
| 2010 | 0.592209 |
| 2009 | 0.573956 |
| 2008 | 0.573943 |
| 2007 | 0.563873 |
| 2006 | 0.542888 |
| 2005 | 0.540974 |
| 2004 | 0.549506 |
| 2003 | 0.558601 |
| 2002 | 0.543138 |
| 2001 | 0.512874 |
| 2000 | 0.482281 |
| 1999 | 0.420566 |
| 1998 | 0.358839 |
| 1997 | 0.328181 |
| 1996 | 0.308478 |
| 1995 | 0.288863 |
| 1994 | 0.27969 |
| 1993 | 0.292715 |
| 1992 | 0.284371 |
| 1991 | 0.277469 |
| 1990 | 0.283479 |
| 1989 | 0.289553 |
| 1988 | 0.307874 |
| 1987 | 0.315152 |
| 1986 | 0.334904 |
| 1985 | 0.368301 |
| 1984 | 0.362647 |
| 1983 | 0.35517 |
| 1982 | 0.388636 |
| 1981 | 0.409668 |
| 1980 | 0.417595 |
| 1979 | 0.442478 |
| 1978 | 0.488672 |
| 1977 | 0.496124 |
| 1976 | 0.50292 |
| 1975 | 0.508906 |
| 1974 | 0.514732 |
| 1973 | 0.547645 |
| 1972 | 0.58856 |
| 1971 | 0.62963 |
| 1970 | 0.690041 |
| 1969 | 0.787402 |
| 1968 | 0.847458 |
| 1967 | 0.906344 |
| 1966 | 1.00038 |
| 1965 | 1.05184 |
| 1964 | 1.07987 |
| 1963 | 0.984947 |
| 1962 | 0.731296 |
| 1961 | 0.4725 |
| 1960 | 0.3606 |