| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 2.08582 |
| 2021 | 2.41211 |
| 2020 | 2.28386 |
| 2019 | 2.16004 |
| 2018 | 1.72623 |
| 2017 | 1.2233 |
| 2016 | 1.28462 |
| 2015 | 1.39494 |
| 2014 | 1.49386 |
| 2013 | 2.32401 |
| 2012 | 3.22981 |
| 2011 | 3.23377 |
| 2010 | 3.21673 |
| 2009 | 3.23136 |
| 2008 | 3.16773 |
| 2007 | 3.17303 |
| 2006 | 3.2161 |
| 2005 | 3.30199 |
| 2004 | 3.39305 |
| 2003 | 2.32773 |
| 2002 | 0.758255 |
| 2001 | 0.718943 |
| 2000 | 0.860513 |
| 1999 | 0.982753 |
| 1998 | 0.946124 |
| 1997 | 1.11915 |
| 1996 | 1.17926 |
| 1995 | 1.21734 |
| 1994 | 1.37833 |
| 1993 | 1.4717 |
| 1992 | 2.98455 |
| 1991 | 5.09182 |
| 1990 | 5.08281 |
| 1989 | 5.29561 |
| 1988 | 5.49757 |
| 1987 | 5.45208 |
| 1986 | 5.55604 |
| 1985 | 4.37032 |
| 1984 | 3.92061 |
| 1983 | 4.08061 |
| 1982 | 4.29564 |
| 1981 | 4.61849 |
| 1980 | 5.20696 |
| 1979 | 6.36557 |
| 1978 | 7.32096 |
| 1977 | 7.44707 |
| 1976 | 7.49766 |
| 1975 | 7.51379 |
| 1974 | 5.8046 |
| 1973 | 3.82483 |
| 1972 | 3.75182 |
| 1971 | 3.82017 |
| 1970 | 3.80998 |
| 1969 | 4.04512 |
| 1968 | 4.47965 |
| 1967 | 4.41314 |
| 1966 | 4.04 |
| 1965 | 3.71136 |
| 1964 | 3.75107 |
| 1963 | 3.89728 |
| 1962 | 4.05535 |
| 1961 | 3.99369 |
| 1960 | - |