| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 0.93424 |
| 2021 | 0.908507 |
| 2020 | 0.968884 |
| 2019 | 1.0846 |
| 2018 | 1.25666 |
| 2017 | 1.40535 |
| 2016 | 1.43034 |
| 2015 | 1.36869 |
| 2014 | 1.28983 |
| 2013 | 1.18371 |
| 2012 | 1.05523 |
| 2011 | 1.02835 |
| 2010 | 1.10766 |
| 2009 | 1.1976 |
| 2008 | 1.30823 |
| 2007 | 1.44826 |
| 2006 | 1.52064 |
| 2005 | 1.49345 |
| 2004 | 1.42476 |
| 2003 | 1.36505 |
| 2002 | 1.35836 |
| 2001 | 1.38301 |
| 2000 | 1.41713 |
| 1999 | 1.41249 |
| 1998 | 1.36832 |
| 1997 | 1.31458 |
| 1996 | 1.27278 |
| 1995 | 1.29288 |
| 1994 | 1.29302 |
| 1993 | 1.23344 |
| 1992 | 1.17479 |
| 1991 | 1.13437 |
| 1990 | 1.09994 |
| 1989 | 1.08522 |
| 1988 | 1.09272 |
| 1987 | 1.09031 |
| 1986 | 1.05263 |
| 1985 | 0.990324 |
| 1984 | 0.945572 |
| 1983 | 0.919032 |
| 1982 | 0.926795 |
| 1981 | 0.985163 |
| 1980 | 1.07527 |
| 1979 | 1.13608 |
| 1978 | 1.07143 |
| 1977 | 0.9444 |
| 1976 | 0.806676 |
| 1975 | 0.728014 |
| 1974 | 0.761499 |
| 1973 | 0.766823 |
| 1972 | 0.77214 |
| 1971 | 0.776668 |
| 1970 | 0.766161 |
| 1969 | 0.771084 |
| 1968 | 0.780742 |
| 1967 | 0.830841 |
| 1966 | 0.883602 |
| 1965 | 0.970033 |
| 1964 | 1.09174 |
| 1963 | 1.10203 |
| 1962 | 1.01622 |
| 1961 | 0.949651 |
| 1960 | 0.884636 |