| 年份 | 汤加 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 12.5227 |
| 2020 | 20.5902 |
| 2019 | 21.9718 |
| 2018 | 21.412 |
| 2017 | 22.157 |
| 2016 | 21.6766 |
| 2015 | 16.9603 |
| 2014 | 16.9702 |
| 2013 | 20.3549 |
| 2012 | 17.0714 |
| 2011 | 16.2377 |
| 2010 | 12.5024 |
| 2009 | 13.6228 |
| 2008 | 15.9566 |
| 2007 | 12.2199 |
| 2006 | 14.5604 |
| 2005 | 17.8432 |
| 2004 | 19.5663 |
| 2003 | 19.388 |
| 2002 | 18.2563 |
| 2001 | 13.0475 |
| 2000 | 14.2686 |
| 1999 | 15.4352 |
| 1998 | 19.588 |
| 1997 | 20.8602 |
| 1996 | 20.1195 |
| 1995 | 16.9592 |
| 1994 | 17.1851 |
| 1993 | 19.8941 |
| 1992 | 23.642 |
| 1991 | 22.9033 |
| 1990 | 33.8702 |
| 1989 | 25.1033 |
| 1988 | 22.7366 |
| 1987 | 30.9267 |
| 1986 | 25.7124 |
| 1985 | 30.1286 |
| 1984 | 26.608 |
| 1983 | 18.6578 |
| 1982 | 27.5881 |
| 1981 | 25.3753 |
| 1980 | 30.0622 |
| 1979 | 26.0782 |
| 1978 | 28.7894 |
| 1977 | 33.866 |
| 1976 | 26.9358 |
| 1975 | 41.3299 |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |