| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 6.43151 |
| 2021 | 6.22127 |
| 2020 | 5.99422 |
| 2019 | 5.82329 |
| 2018 | 5.66958 |
| 2017 | 5.51836 |
| 2016 | 5.47365 |
| 2015 | 5.47945 |
| 2014 | 5.42252 |
| 2013 | 5.33981 |
| 2012 | 5.28352 |
| 2011 | 5.30349 |
| 2010 | 5.39836 |
| 2009 | 5.51525 |
| 2008 | 5.64155 |
| 2007 | 5.74933 |
| 2006 | 5.77738 |
| 2005 | 5.73518 |
| 2004 | 5.67329 |
| 2003 | 5.6472 |
| 2002 | 5.68217 |
| 2001 | 5.83069 |
| 2000 | 6.00747 |
| 1999 | 6.09408 |
| 1998 | 6.15528 |
| 1997 | 6.21008 |
| 1996 | 6.19603 |
| 1995 | 6.12415 |
| 1994 | 6.05712 |
| 1993 | 5.97878 |
| 1992 | 5.86309 |
| 1991 | 5.69306 |
| 1990 | 5.52137 |
| 1989 | 5.39012 |
| 1988 | 5.26911 |
| 1987 | 5.15868 |
| 1986 | 5.06121 |
| 1985 | 4.95228 |
| 1984 | 4.80083 |
| 1983 | 4.61168 |
| 1982 | 4.4539 |
| 1981 | 4.35611 |
| 1980 | 4.28174 |
| 1979 | 4.25715 |
| 1978 | 4.30343 |
| 1977 | 4.39576 |
| 1976 | 4.47057 |
| 1975 | 4.52088 |
| 1974 | 4.61475 |
| 1973 | 4.65116 |
| 1972 | 4.61682 |
| 1971 | 4.65454 |
| 1970 | 4.72177 |
| 1969 | 4.7755 |
| 1968 | 4.9136 |
| 1967 | 5.12639 |
| 1966 | 5.29375 |
| 1965 | 5.45192 |
| 1964 | 5.57466 |
| 1963 | 5.36023 |
| 1962 | 4.82544 |
| 1961 | 4.35063 |
| 1960 | 4.08956 |