| 年份 | 汤加 |
|---|---|
| 2023 | - |
| 2022 | 67.9867 |
| 2021 | 68.981 |
| 2020 | 70.2285 |
| 2019 | 71.3346 |
| 2018 | 72.3008 |
| 2017 | 73.1777 |
| 2016 | 73.9403 |
| 2015 | 74.6778 |
| 2014 | 75.2552 |
| 2013 | 75.6364 |
| 2012 | 75.9876 |
| 2011 | 76.1718 |
| 2010 | 76.4166 |
| 2009 | 77.0081 |
| 2008 | 77.7477 |
| 2007 | 78.4604 |
| 2006 | 78.6731 |
| 2005 | 78.3752 |
| 2004 | 77.9366 |
| 2003 | 77.4516 |
| 2002 | 77.146 |
| 2001 | 77.1693 |
| 2000 | 77.5568 |
| 1999 | 78.2933 |
| 1998 | 79.3251 |
| 1997 | 80.5492 |
| 1996 | 81.3025 |
| 1995 | 81.351 |
| 1994 | 81.25 |
| 1993 | 81.1284 |
| 1992 | 80.9366 |
| 1991 | 80.7826 |
| 1990 | 80.7657 |
| 1989 | 80.9835 |
| 1988 | 81.5452 |
| 1987 | 82.4162 |
| 1986 | 83.1073 |
| 1985 | 83.6165 |
| 1984 | 84.4384 |
| 1983 | 85.5492 |
| 1982 | 86.8389 |
| 1981 | 88.1637 |
| 1980 | 89.514 |
| 1979 | 90.9819 |
| 1978 | 92.6217 |
| 1977 | 94.5145 |
| 1976 | 96.1218 |
| 1975 | 97.2671 |
| 1974 | 98.4128 |
| 1973 | 99.6167 |
| 1972 | 100.706 |
| 1971 | 101.453 |
| 1970 | 101.797 |
| 1969 | 101.74 |
| 1968 | 101.247 |
| 1967 | 100.419 |
| 1966 | 99.9599 |
| 1965 | 99.8971 |
| 1964 | 99.6934 |
| 1963 | 99.381 |
| 1962 | 98.869 |
| 1961 | 98.396 |
| 1960 | 98.0032 |