| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 4.15589 |
| 2021 | 4.25717 |
| 2020 | 4.38443 |
| 2019 | 4.52737 |
| 2018 | 4.81026 |
| 2017 | 5.20768 |
| 2016 | 5.5719 |
| 2015 | 5.92006 |
| 2014 | 6.26444 |
| 2013 | 6.42072 |
| 2012 | 6.36282 |
| 2011 | 6.32957 |
| 2010 | 6.28296 |
| 2009 | 6.16297 |
| 2008 | 6.0838 |
| 2007 | 5.98872 |
| 2006 | 5.82371 |
| 2005 | 5.67021 |
| 2004 | 5.49506 |
| 2003 | 5.27568 |
| 2002 | 5.14936 |
| 2001 | 5.05547 |
| 2000 | 4.99056 |
| 1999 | 5.01525 |
| 1998 | 4.92876 |
| 1997 | 4.77451 |
| 1996 | 4.54207 |
| 1995 | 4.16176 |
| 1994 | 3.77582 |
| 1993 | 3.50173 |
| 1992 | 3.35776 |
| 1991 | 3.34073 |
| 1990 | 3.5038 |
| 1989 | 3.6947 |
| 1988 | 3.71818 |
| 1987 | 3.62424 |
| 1986 | 3.49789 |
| 1985 | 3.32741 |
| 1984 | 3.14726 |
| 1983 | 3.10445 |
| 1982 | 3.17609 |
| 1981 | 3.44121 |
| 1980 | 3.82795 |
| 1979 | 4.09649 |
| 1978 | 4.3092 |
| 1977 | 4.4031 |
| 1976 | 4.31538 |
| 1975 | 4.1391 |
| 1974 | 3.90486 |
| 1973 | 3.79701 |
| 1972 | 3.86242 |
| 1971 | 3.88889 |
| 1970 | 3.87915 |
| 1969 | 3.95576 |
| 1968 | 4.36911 |
| 1967 | 5.00378 |
| 1966 | 5.41714 |
| 1965 | 5.63486 |
| 1964 | 5.71588 |
| 1963 | 5.57517 |
| 1962 | 5.30658 |
| 1961 | 5.0085 |
| 1960 | 4.74473 |