| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 8.88084 |
| 2021 | 8.78367 |
| 2020 | 8.84777 |
| 2019 | 8.9221 |
| 2018 | 8.97916 |
| 2017 | 9.08441 |
| 2016 | 9.17358 |
| 2015 | 9.25844 |
| 2014 | 9.45442 |
| 2013 | 9.68429 |
| 2012 | 9.91063 |
| 2011 | 10.1764 |
| 2010 | 10.4469 |
| 2009 | 10.6135 |
| 2008 | 10.7423 |
| 2007 | 10.8205 |
| 2006 | 10.7788 |
| 2005 | 10.7193 |
| 2004 | 10.6136 |
| 2003 | 10.3341 |
| 2002 | 10.048 |
| 2001 | 9.81788 |
| 2000 | 9.41497 |
| 1999 | 8.90548 |
| 1998 | 8.3905 |
| 1997 | 7.80224 |
| 1996 | 7.24391 |
| 1995 | 6.87921 |
| 1994 | 6.69105 |
| 1993 | 6.61318 |
| 1992 | 6.71552 |
| 1991 | 7.06992 |
| 1990 | 7.50652 |
| 1989 | 7.93375 |
| 1988 | 8.49023 |
| 1987 | 9.21212 |
| 1986 | 9.98512 |
| 1985 | 10.8077 |
| 1984 | 11.9415 |
| 1983 | 13.1281 |
| 1982 | 13.9239 |
| 1981 | 14.352 |
| 1980 | 14.4209 |
| 1979 | 14.2449 |
| 1978 | 13.7124 |
| 1977 | 12.8837 |
| 1976 | 12.135 |
| 1975 | 11.5522 |
| 1974 | 11.1644 |
| 1973 | 10.9346 |
| 1972 | 10.7412 |
| 1971 | 10.537 |
| 1970 | 10.2947 |
| 1969 | 9.95501 |
| 1968 | 9.66102 |
| 1967 | 9.08233 |
| 1966 | 7.70102 |
| 1965 | 5.52216 |
| 1964 | 2.69968 |
| 1963 | 1.0407 |
| 1962 | 0.8063 |
| 1961 | 1.0773 |
| 1960 | 2.04972 |