| 年份 | 汤加 |
|---|---|
| 2023 | - |
| 2022 | 57.5498 |
| 2021 | 58.5011 |
| 2020 | 59.7047 |
| 2019 | 60.8016 |
| 2018 | 61.8005 |
| 2017 | 62.7195 |
| 2016 | 63.4914 |
| 2015 | 64.2207 |
| 2014 | 64.7754 |
| 2013 | 65.166 |
| 2012 | 65.5938 |
| 2011 | 65.9021 |
| 2010 | 66.2883 |
| 2009 | 66.8941 |
| 2008 | 67.5698 |
| 2007 | 68.2671 |
| 2006 | 68.5119 |
| 2005 | 68.2804 |
| 2004 | 67.9519 |
| 2003 | 67.6094 |
| 2002 | 67.4238 |
| 2001 | 67.5324 |
| 2000 | 67.9732 |
| 1999 | 68.7512 |
| 1998 | 69.8246 |
| 1997 | 71.1037 |
| 1996 | 71.9908 |
| 1995 | 72.2397 |
| 1994 | 72.3375 |
| 1993 | 72.4135 |
| 1992 | 72.4348 |
| 1991 | 72.4693 |
| 1990 | 72.6197 |
| 1989 | 72.9791 |
| 1988 | 73.6376 |
| 1987 | 74.6095 |
| 1986 | 75.4645 |
| 1985 | 76.1852 |
| 1984 | 77.2166 |
| 1983 | 78.5065 |
| 1982 | 79.9441 |
| 1981 | 81.4005 |
| 1980 | 82.8669 |
| 1979 | 84.4336 |
| 1978 | 86.1521 |
| 1977 | 88.1015 |
| 1976 | 89.7725 |
| 1975 | 90.9931 |
| 1974 | 92.202 |
| 1973 | 93.4307 |
| 1972 | 94.5166 |
| 1971 | 95.2653 |
| 1970 | 95.6133 |
| 1969 | 95.5616 |
| 1968 | 95.0815 |
| 1967 | 94.2566 |
| 1966 | 93.8253 |
| 1965 | 93.809 |
| 1964 | 93.6162 |
| 1963 | 93.3134 |
| 1962 | 92.8128 |
| 1961 | 92.3176 |
| 1960 | 91.8805 |