| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 8.06349 |
| 2021 | 8.06644 |
| 2020 | 8.12372 |
| 2019 | 8.3184 |
| 2018 | 8.67289 |
| 2017 | 9.03442 |
| 2016 | 9.30676 |
| 2015 | 9.57133 |
| 2014 | 9.82549 |
| 2013 | 9.96212 |
| 2012 | 10.0105 |
| 2011 | 9.98558 |
| 2010 | 9.89118 |
| 2009 | 9.70845 |
| 2008 | 9.46482 |
| 2007 | 9.10907 |
| 2006 | 8.68077 |
| 2005 | 8.29016 |
| 2004 | 7.82083 |
| 2003 | 7.36298 |
| 2002 | 7.28951 |
| 2001 | 7.59624 |
| 2000 | 7.88663 |
| 1999 | 8.04504 |
| 1998 | 8.03635 |
| 1997 | 7.78559 |
| 1996 | 7.39232 |
| 1995 | 6.94289 |
| 1994 | 6.47526 |
| 1993 | 6.15698 |
| 1992 | 6.02717 |
| 1991 | 6.11529 |
| 1990 | 6.37964 |
| 1989 | 6.71348 |
| 1988 | 7.10808 |
| 1987 | 7.56608 |
| 1986 | 8.1187 |
| 1985 | 8.74217 |
| 1984 | 9.5941 |
| 1983 | 10.598 |
| 1982 | 11.4383 |
| 1981 | 12.095 |
| 1980 | 12.6012 |
| 1979 | 12.7809 |
| 1978 | 12.4872 |
| 1977 | 11.958 |
| 1976 | 11.4882 |
| 1975 | 11.0221 |
| 1974 | 10.6153 |
| 1973 | 10.5321 |
| 1972 | 10.5893 |
| 1971 | 10.4771 |
| 1970 | 10.3272 |
| 1969 | 10.1847 |
| 1968 | 10.0033 |
| 1967 | 9.5879 |
| 1966 | 8.58114 |
| 1965 | 6.8422 |
| 1964 | 4.4374 |
| 1963 | 3.03946 |
| 1962 | 3.13781 |
| 1961 | 3.60151 |
| 1960 | 4.2968 |