| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 2.20408 |
| 2021 | 2.09232 |
| 2020 | 1.96572 |
| 2019 | 1.76365 |
| 2018 | 1.50419 |
| 2017 | 1.33843 |
| 2016 | 1.3922 |
| 2015 | 1.5778 |
| 2014 | 1.80197 |
| 2013 | 2.03598 |
| 2012 | 2.20553 |
| 2011 | 2.16242 |
| 2010 | 1.98212 |
| 2009 | 1.83567 |
| 2008 | 1.68484 |
| 2007 | 1.50819 |
| 2006 | 1.49043 |
| 2005 | 1.64584 |
| 2004 | 1.76302 |
| 2003 | 1.89245 |
| 2002 | 2.09457 |
| 2001 | 2.20869 |
| 2000 | 2.19758 |
| 1999 | 2.19038 |
| 1998 | 2.19545 |
| 1997 | 2.17059 |
| 1996 | 2.10773 |
| 1995 | 2.02586 |
| 1994 | 1.98534 |
| 1993 | 1.95719 |
| 1992 | 1.92052 |
| 1991 | 1.88718 |
| 1990 | 1.88561 |
| 1989 | 1.88318 |
| 1988 | 1.85005 |
| 1987 | 1.79515 |
| 1986 | 1.74692 |
| 1985 | 1.71884 |
| 1984 | 1.69511 |
| 1983 | 1.6752 |
| 1982 | 1.64242 |
| 1981 | 1.5905 |
| 1980 | 1.51021 |
| 1979 | 1.43245 |
| 1978 | 1.44133 |
| 1977 | 1.47646 |
| 1976 | 1.47427 |
| 1975 | 1.47059 |
| 1974 | 1.38593 |
| 1973 | 1.2989 |
| 1972 | 1.24488 |
| 1971 | 1.22048 |
| 1970 | 1.22905 |
| 1969 | 1.23695 |
| 1968 | 1.25244 |
| 1967 | 1.26288 |
| 1966 | 1.29142 |
| 1965 | 1.29915 |
| 1964 | 1.30305 |
| 1963 | 1.31532 |
| 1962 | 1.31931 |
| 1961 | 1.29009 |
| 1960 | 1.29987 |