| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 4.7619 |
| 2021 | 5.08397 |
| 2020 | 5.55245 |
| 2019 | 6.06432 |
| 2018 | 6.44516 |
| 2017 | 6.54876 |
| 2016 | 6.2649 |
| 2015 | 5.72189 |
| 2014 | 5.20675 |
| 2013 | 4.77273 |
| 2012 | 4.56317 |
| 2011 | 4.5555 |
| 2010 | 4.58609 |
| 2009 | 4.66281 |
| 2008 | 4.69772 |
| 2007 | 4.54455 |
| 2006 | 4.24975 |
| 2005 | 3.92157 |
| 2004 | 3.52604 |
| 2003 | 3.09204 |
| 2002 | 2.84114 |
| 2001 | 2.92084 |
| 2000 | 3.14233 |
| 1999 | 3.33675 |
| 1998 | 3.53314 |
| 1997 | 3.65841 |
| 1996 | 3.57397 |
| 1995 | 3.45108 |
| 1994 | 3.43107 |
| 1993 | 3.45566 |
| 1992 | 3.4835 |
| 1991 | 3.52686 |
| 1990 | 3.58265 |
| 1989 | 3.57485 |
| 1988 | 3.59191 |
| 1987 | 3.70044 |
| 1986 | 3.79619 |
| 1985 | 3.85885 |
| 1984 | 3.82841 |
| 1983 | 3.72266 |
| 1982 | 3.66025 |
| 1981 | 3.60831 |
| 1980 | 3.60034 |
| 1979 | 3.63053 |
| 1978 | 3.62245 |
| 1977 | 3.61798 |
| 1976 | 3.61613 |
| 1975 | 3.62551 |
| 1974 | 3.62473 |
| 1973 | 3.63067 |
| 1972 | 3.65585 |
| 1971 | 3.69314 |
| 1970 | 3.751 |
| 1969 | 3.79116 |
| 1968 | 3.80612 |
| 1967 | 3.82187 |
| 1966 | 3.7723 |
| 1965 | 3.63762 |
| 1964 | 3.50414 |
| 1963 | 3.30608 |
| 1962 | 3.10216 |
| 1961 | 3.01021 |
| 1960 | 2.90666 |