| 年份 | 图瓦卢  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 6.10431 | 
| 2021 | 5.89153 | 
| 2020 | 5.60835 | 
| 2019 | 5.38527 | 
| 2018 | 5.35034 | 
| 2017 | 5.31549 | 
| 2016 | 5.12063 | 
| 2015 | 4.96151 | 
| 2014 | 4.86533 | 
| 2013 | 4.84848 | 
| 2012 | 4.8959 | 
| 2011 | 4.9111 | 
| 2010 | 4.93587 | 
| 2009 | 4.98675 | 
| 2008 | 5.08424 | 
| 2007 | 5.34359 | 
| 2006 | 5.77039 | 
| 2005 | 6.1973 | 
| 2004 | 6.61132 | 
| 2003 | 7.03206 | 
| 2002 | 7.38283 | 
| 2001 | 7.70977 | 
| 2000 | 8.0304 | 
| 1999 | 8.24974 | 
| 1998 | 8.35291 | 
| 1997 | 8.29512 | 
| 1996 | 8.13563 | 
| 1995 | 7.92019 | 
| 1994 | 7.74791 | 
| 1993 | 7.70642 | 
| 1992 | 7.69231 | 
| 1991 | 7.48685 | 
| 1990 | 7.23863 | 
| 1989 | 7.07522 | 
| 1988 | 6.80515 | 
| 1987 | 6.39868 | 
| 1986 | 5.97984 | 
| 1985 | 5.57769 | 
| 1984 | 5.17758 | 
| 1983 | 4.88599 | 
| 1982 | 4.83341 | 
| 1981 | 4.98516 | 
| 1980 | 5.15887 | 
| 1979 | 5.2976 | 
| 1978 | 5.47194 | 
| 1977 | 5.57329 | 
| 1976 | 5.49374 | 
| 1975 | 5.35818 | 
| 1974 | 5.30003 | 
| 1973 | 5.27387 | 
| 1972 | 5.13709 | 
| 1971 | 5.07212 | 
| 1970 | 5.15563 | 
| 1969 | 5.22088 | 
| 1968 | 5.3676 | 
| 1967 | 5.71618 | 
| 1966 | 6.18522 | 
| 1965 | 6.77291 | 
| 1964 | 7.4661 | 
| 1963 | 8.03413 | 
| 1962 | 8.36156 | 
| 1961 | 8.54685 | 
| 1960 | 8.53945 |