| 年份 | 汤加 |
|---|---|
| 2023 | - |
| 2022 | 11.8481 |
| 2021 | 12.0148 |
| 2020 | 12.2417 |
| 2019 | 12.5101 |
| 2018 | 12.7374 |
| 2017 | 12.885 |
| 2016 | 13.0155 |
| 2015 | 13.2637 |
| 2014 | 13.4775 |
| 2013 | 13.5355 |
| 2012 | 13.6419 |
| 2011 | 13.7092 |
| 2010 | 13.6259 |
| 2009 | 13.6168 |
| 2008 | 13.7953 |
| 2007 | 14.002 |
| 2006 | 14.0844 |
| 2005 | 14.08 |
| 2004 | 14.0568 |
| 2003 | 14.0193 |
| 2002 | 13.996 |
| 2001 | 14.0042 |
| 2000 | 14.0605 |
| 1999 | 14.1642 |
| 1998 | 14.2764 |
| 1997 | 14.3808 |
| 1996 | 14.4467 |
| 1995 | 14.4418 |
| 1994 | 14.4049 |
| 1993 | 14.4042 |
| 1992 | 14.4708 |
| 1991 | 14.5841 |
| 1990 | 14.7351 |
| 1989 | 14.9227 |
| 1988 | 15.092 |
| 1987 | 15.1961 |
| 1986 | 15.1975 |
| 1985 | 15.1117 |
| 1984 | 15.0223 |
| 1983 | 14.9861 |
| 1982 | 15.011 |
| 1981 | 15.0744 |
| 1980 | 15.1572 |
| 1979 | 15.2552 |
| 1978 | 15.3932 |
| 1977 | 15.5903 |
| 1976 | 15.8307 |
| 1975 | 16.0818 |
| 1974 | 16.332 |
| 1973 | 16.6925 |
| 1972 | 17.192 |
| 1971 | 17.6758 |
| 1970 | 18.0661 |
| 1969 | 18.3586 |
| 1968 | 18.5352 |
| 1967 | 18.6026 |
| 1966 | 18.7023 |
| 1965 | 18.8803 |
| 1964 | 19.0278 |
| 1963 | 19.1366 |
| 1962 | 19.2194 |
| 1961 | 19.2535 |
| 1960 | 19.2295 |