| 年份 | 图瓦卢  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 4.7619 | 
| 2021 | 4.5976 | 
| 2020 | 4.48109 | 
| 2019 | 4.39498 | 
| 2018 | 4.3412 | 
| 2017 | 4.36902 | 
| 2016 | 4.40545 | 
| 2015 | 4.45775 | 
| 2014 | 4.56184 | 
| 2013 | 4.69697 | 
| 2012 | 4.96245 | 
| 2011 | 5.38203 | 
| 2010 | 5.75204 | 
| 2009 | 6.05674 | 
| 2008 | 6.37265 | 
| 2007 | 6.70196 | 
| 2006 | 7.06949 | 
| 2005 | 7.48755 | 
| 2004 | 7.85158 | 
| 2003 | 8.11789 | 
| 2002 | 8.12941 | 
| 2001 | 7.87491 | 
| 2000 | 7.52721 | 
| 1999 | 7.24667 | 
| 1998 | 7.09691 | 
| 1997 | 7.06206 | 
| 1996 | 6.95449 | 
| 1995 | 6.71892 | 
| 1994 | 6.44472 | 
| 1993 | 6.06524 | 
| 1992 | 5.59812 | 
| 1991 | 5.27998 | 
| 1990 | 5.07019 | 
| 1989 | 4.7771 | 
| 1988 | 4.51152 | 
| 1987 | 4.46035 | 
| 1986 | 4.59127 | 
| 1985 | 4.73534 | 
| 1984 | 4.83164 | 
| 1983 | 4.89763 | 
| 1982 | 4.92726 | 
| 1981 | 4.8546 | 
| 1980 | 4.7481 | 
| 1979 | 4.72956 | 
| 1978 | 4.7449 | 
| 1977 | 4.6688 | 
| 1976 | 4.64534 | 
| 1975 | 4.74665 | 
| 1974 | 4.8279 | 
| 1973 | 4.88263 | 
| 1972 | 4.97951 | 
| 1971 | 5.07212 | 
| 1970 | 5.10774 | 
| 1969 | 5.10843 | 
| 1968 | 5.3676 | 
| 1967 | 5.96544 | 
| 1966 | 6.67799 | 
| 1965 | 7.3965 | 
| 1964 | 8.10002 | 
| 1963 | 8.22965 | 
| 1962 | 7.75539 | 
| 1961 | 7.22093 | 
| 1960 | 6.71601 |