| 年份 | 萨摩亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 9.12135 | 
| 2021 | 8.9374 | 
| 2020 | 8.78751 | 
| 2019 | 8.64583 | 
| 2018 | 8.51678 | 
| 2017 | 8.40851 | 
| 2016 | 8.33419 | 
| 2015 | 8.29743 | 
| 2014 | 8.30048 | 
| 2013 | 8.33929 | 
| 2012 | 8.40213 | 
| 2011 | 8.46144 | 
| 2010 | 8.49938 | 
| 2009 | 8.53744 | 
| 2008 | 8.55971 | 
| 2007 | 8.55955 | 
| 2006 | 8.53407 | 
| 2005 | 8.46263 | 
| 2004 | 8.34924 | 
| 2003 | 8.22673 | 
| 2002 | 8.10201 | 
| 2001 | 7.98099 | 
| 2000 | 7.87554 | 
| 1999 | 7.7806 | 
| 1998 | 7.68967 | 
| 1997 | 7.60284 | 
| 1996 | 7.51714 | 
| 1995 | 7.43435 | 
| 1994 | 7.34925 | 
| 1993 | 7.25863 | 
| 1992 | 7.14263 | 
| 1991 | 6.98155 | 
| 1990 | 6.77576 | 
| 1989 | 6.55253 | 
| 1988 | 6.35774 | 
| 1987 | 6.20874 | 
| 1986 | 6.10706 | 
| 1985 | 6.03198 | 
| 1984 | 5.96622 | 
| 1983 | 5.90301 | 
| 1982 | 5.83525 | 
| 1981 | 5.80822 | 
| 1980 | 5.83415 | 
| 1979 | 5.86993 | 
| 1978 | 5.91751 | 
| 1977 | 5.97998 | 
| 1976 | 5.9781 | 
| 1975 | 5.908 | 
| 1974 | 5.85868 | 
| 1973 | 5.86757 | 
| 1972 | 5.92049 | 
| 1971 | 5.97819 | 
| 1970 | 6.03574 | 
| 1969 | 6.07942 | 
| 1968 | 6.11157 | 
| 1967 | 6.14355 | 
| 1966 | 6.09813 | 
| 1965 | 6.00938 | 
| 1964 | 5.9945 | 
| 1963 | 6.02435 | 
| 1962 | 6.10758 | 
| 1961 | 6.09023 | 
| 1960 | 6.00144 |