| 年份 | 汤加 |
|---|---|
| 2023 | - |
| 2022 | 10.8018 |
| 2021 | 10.9766 |
| 2020 | 11.2074 |
| 2019 | 11.449 |
| 2018 | 11.6909 |
| 2017 | 11.9653 |
| 2016 | 12.1842 |
| 2015 | 12.3123 |
| 2014 | 12.355 |
| 2013 | 12.4135 |
| 2012 | 12.5345 |
| 2011 | 12.6069 |
| 2010 | 12.6553 |
| 2009 | 12.8228 |
| 2008 | 13.063 |
| 2007 | 13.2511 |
| 2006 | 13.3373 |
| 2005 | 13.3471 |
| 2004 | 13.3303 |
| 2003 | 13.2573 |
| 2002 | 13.2045 |
| 2001 | 13.2319 |
| 2000 | 13.3482 |
| 1999 | 13.522 |
| 1998 | 13.6737 |
| 1997 | 13.7487 |
| 1996 | 13.7021 |
| 1995 | 13.5341 |
| 1994 | 13.3643 |
| 1993 | 13.3033 |
| 1992 | 13.3759 |
| 1991 | 13.5544 |
| 1990 | 13.7992 |
| 1989 | 14.067 |
| 1988 | 14.2888 |
| 1987 | 14.4275 |
| 1986 | 14.4551 |
| 1985 | 14.3989 |
| 1984 | 14.3428 |
| 1983 | 14.3279 |
| 1982 | 14.371 |
| 1981 | 14.4696 |
| 1980 | 14.5869 |
| 1979 | 14.7073 |
| 1978 | 14.867 |
| 1977 | 15.0913 |
| 1976 | 15.3431 |
| 1975 | 15.606 |
| 1974 | 15.8991 |
| 1973 | 16.2992 |
| 1972 | 16.821 |
| 1971 | 17.3358 |
| 1970 | 17.7561 |
| 1969 | 18.072 |
| 1968 | 18.2698 |
| 1967 | 18.3439 |
| 1966 | 18.4287 |
| 1965 | 18.5794 |
| 1964 | 18.7077 |
| 1963 | 18.7931 |
| 1962 | 18.8438 |
| 1961 | 18.849 |
| 1960 | 18.8045 |