| 年份 | 汤加 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | -2.66751 |
| 2020 | 0.488645 |
| 2019 | 0.706483 |
| 2018 | 0.241228 |
| 2017 | 3.32243 |
| 2016 | 6.571 |
| 2015 | 1.17189 |
| 2014 | 2.0187 |
| 2013 | 0.312308 |
| 2012 | 0.823103 |
| 2011 | 6.81828 |
| 2010 | 0.80349 |
| 2009 | -5.19911 |
| 2008 | 4.75017 |
| 2007 | 0.271095 |
| 2006 | -0.148635 |
| 2005 | 0.0810339 |
| 2004 | -2.4107 |
| 2003 | 2.30805 |
| 2002 | 4.84801 |
| 2001 | 3.74893 |
| 2000 | 0.87599 |
| 1999 | 3.71088 |
| 1998 | 2.45876 |
| 1997 | 1.22345 |
| 1996 | 1.80553 |
| 1995 | 7.37854 |
| 1994 | 4.95252 |
| 1993 | 3.73806 |
| 1992 | 0.251976 |
| 1991 | 6.41495 |
| 1990 | -2.04409 |
| 1989 | 0.389907 |
| 1988 | -1.88187 |
| 1987 | 2.98564 |
| 1986 | 2.11866 |
| 1985 | 6.55846 |
| 1984 | 1.73839 |
| 1983 | 1.9824 |
| 1982 | 4.74127 |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |