| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 5.16468 |
| 2021 | 5.14335 |
| 2020 | 5.0947 |
| 2019 | 4.92528 |
| 2018 | 4.71228 |
| 2017 | 4.52881 |
| 2016 | 4.41294 |
| 2015 | 4.36215 |
| 2014 | 4.30958 |
| 2013 | 4.22135 |
| 2012 | 4.16443 |
| 2011 | 4.06511 |
| 2010 | 3.92338 |
| 2009 | 3.82951 |
| 2008 | 3.74976 |
| 2007 | 3.69434 |
| 2006 | 3.56332 |
| 2005 | 3.31597 |
| 2004 | 3.03246 |
| 2003 | 2.83438 |
| 2002 | 2.73658 |
| 2001 | 2.66904 |
| 2000 | 2.74691 |
| 1999 | 2.9019 |
| 1998 | 2.95515 |
| 1997 | 2.9748 |
| 1996 | 2.97841 |
| 1995 | 2.87793 |
| 1994 | 2.74312 |
| 1993 | 2.68864 |
| 1992 | 2.67965 |
| 1991 | 2.7636 |
| 1990 | 2.94818 |
| 1989 | 3.13875 |
| 1988 | 3.36294 |
| 1987 | 3.58788 |
| 1986 | 3.73356 |
| 1985 | 3.82271 |
| 1984 | 3.79485 |
| 1983 | 3.70955 |
| 1982 | 3.64514 |
| 1981 | 3.63239 |
| 1980 | 3.68875 |
| 1979 | 3.78247 |
| 1978 | 3.76129 |
| 1977 | 3.64341 |
| 1976 | 3.55289 |
| 1975 | 3.39271 |
| 1974 | 3.23039 |
| 1973 | 3.04856 |
| 1972 | 2.85084 |
| 1971 | 2.75926 |
| 1970 | 2.68556 |
| 1969 | 2.58718 |
| 1968 | 2.6742 |
| 1967 | 3.02115 |
| 1966 | 3.35976 |
| 1965 | 3.62509 |
| 1964 | 3.87265 |
| 1963 | 3.90262 |
| 1962 | 3.82524 |
| 1961 | 3.7233 |
| 1960 | 3.56804 |