| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 3.70754 |
| 2021 | 3.64031 |
| 2020 | 3.63031 |
| 2019 | 3.61659 |
| 2018 | 3.57206 |
| 2017 | 3.51943 |
| 2016 | 3.39663 |
| 2015 | 3.23155 |
| 2014 | 3.11001 |
| 2013 | 2.99752 |
| 2012 | 2.91332 |
| 2011 | 2.81921 |
| 2010 | 2.62793 |
| 2009 | 2.40873 |
| 2008 | 2.26707 |
| 2007 | 2.17772 |
| 2006 | 2.16168 |
| 2005 | 2.28411 |
| 2004 | 2.43207 |
| 2003 | 2.50336 |
| 2002 | 2.52768 |
| 2001 | 2.54344 |
| 2000 | 2.45334 |
| 1999 | 2.32363 |
| 1998 | 2.27968 |
| 1997 | 2.24434 |
| 1996 | 2.26572 |
| 1995 | 2.38579 |
| 1994 | 2.51721 |
| 1993 | 2.65611 |
| 1992 | 2.82183 |
| 1991 | 2.97447 |
| 1990 | 3.11827 |
| 1989 | 3.20825 |
| 1988 | 3.26821 |
| 1987 | 3.30909 |
| 1986 | 3.29943 |
| 1985 | 3.27661 |
| 1984 | 3.22497 |
| 1983 | 3.10445 |
| 1982 | 2.94827 |
| 1981 | 2.82671 |
| 1980 | 2.72829 |
| 1979 | 2.5835 |
| 1978 | 2.36932 |
| 1977 | 2.12403 |
| 1976 | 2.0279 |
| 1975 | 2.06955 |
| 1974 | 2.07668 |
| 1973 | 2.04454 |
| 1972 | 2.04157 |
| 1971 | 2.01852 |
| 1970 | 1.99552 |
| 1969 | 2.11849 |
| 1968 | 2.35405 |
| 1967 | 2.66239 |
| 1966 | 2.98226 |
| 1965 | 3.24944 |
| 1964 | 3.44442 |
| 1963 | 3.41944 |
| 1962 | 3.20645 |
| 1961 | 2.9106 |
| 1960 | 2.61909 |