| 年份 | 图瓦卢 |
|---|---|
| 2023 | - |
| 2022 | 8.15419 |
| 2021 | 8.41516 |
| 2020 | 8.66406 |
| 2019 | 8.93143 |
| 2018 | 9.06321 |
| 2017 | 9.1109 |
| 2016 | 9.09698 |
| 2015 | 8.98204 |
| 2014 | 8.77276 |
| 2013 | 8.51326 |
| 2012 | 8.23272 |
| 2011 | 8.00577 |
| 2010 | 7.84104 |
| 2009 | 7.5881 |
| 2008 | 7.26462 |
| 2007 | 6.99161 |
| 2006 | 6.86808 |
| 2005 | 6.82719 |
| 2004 | 6.93932 |
| 2003 | 7.18718 |
| 2002 | 7.31024 |
| 2001 | 7.1834 |
| 2000 | 6.85972 |
| 1999 | 6.42784 |
| 1998 | 6.08598 |
| 1997 | 5.87996 |
| 1996 | 5.75298 |
| 1995 | 5.79253 |
| 1994 | 6.0171 |
| 1993 | 6.36086 |
| 1992 | 6.8342 |
| 1991 | 7.38373 |
| 1990 | 7.9405 |
| 1989 | 8.52218 |
| 1988 | 9.12042 |
| 1987 | 9.73568 |
| 1986 | 10.2912 |
| 1985 | 10.7684 |
| 1984 | 11.1278 |
| 1983 | 11.168 |
| 1982 | 10.8752 |
| 1981 | 10.5401 |
| 1980 | 10.1365 |
| 1979 | 9.74315 |
| 1978 | 9.65561 |
| 1977 | 9.65682 |
| 1976 | 9.47149 |
| 1975 | 9.21666 |
| 1974 | 8.92476 |
| 1973 | 8.6385 |
| 1972 | 8.44627 |
| 1971 | 8.28974 |
| 1970 | 8.17239 |
| 1969 | 8.01606 |
| 1968 | 7.27066 |
| 1967 | 5.96544 |
| 1966 | 4.72387 |
| 1965 | 3.63762 |
| 1964 | 2.90544 |
| 1963 | 3.30608 |
| 1962 | 4.58192 |
| 1961 | 5.82333 |
| 1960 | 6.89655 |