| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 5.73243 |
| 2021 | 5.54281 |
| 2020 | 5.13322 |
| 2019 | 4.68735 |
| 2018 | 4.23648 |
| 2017 | 3.94837 |
| 2016 | 3.82378 |
| 2015 | 3.70687 |
| 2014 | 3.67982 |
| 2013 | 3.71212 |
| 2012 | 3.66004 |
| 2011 | 3.53676 |
| 2010 | 3.38127 |
| 2009 | 3.10199 |
| 2008 | 2.73538 |
| 2007 | 2.48702 |
| 2006 | 2.49748 |
| 2005 | 2.67195 |
| 2004 | 2.89053 |
| 2003 | 3.16443 |
| 2002 | 3.32849 |
| 2001 | 3.20983 |
| 2000 | 3.00883 |
| 1999 | 2.90686 |
| 1998 | 2.81834 |
| 1997 | 2.74126 |
| 1996 | 2.80012 |
| 1995 | 2.95226 |
| 1994 | 3.01364 |
| 1993 | 3.03772 |
| 1992 | 3.10553 |
| 1991 | 3.16593 |
| 1990 | 3.21601 |
| 1989 | 3.2663 |
| 1988 | 3.32143 |
| 1987 | 3.337 |
| 1986 | 3.31467 |
| 1985 | 3.27832 |
| 1984 | 3.19419 |
| 1983 | 3.09446 |
| 1982 | 3.07367 |
| 1981 | 3.09792 |
| 1980 | 3.12915 |
| 1979 | 3.14893 |
| 1978 | 3.08673 |
| 1977 | 3.00612 |
| 1976 | 3.01808 |
| 1975 | 3.08678 |
| 1974 | 3.21352 |
| 1973 | 3.27074 |
| 1972 | 3.23038 |
| 1971 | 3.12252 |
| 1970 | 2.96887 |
| 1969 | 2.82731 |
| 1968 | 2.66753 |
| 1967 | 2.54237 |
| 1966 | 2.49788 |
| 1965 | 2.45973 |
| 1964 | 2.39479 |
| 1963 | 2.32847 |
| 1962 | 2.24639 |
| 1961 | 2.20391 |
| 1960 | 2.22062 |