| 年份 | 萨摩亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 5.20425 | 
| 2021 | 5.31043 | 
| 2020 | 5.42093 | 
| 2019 | 5.53253 | 
| 2018 | 5.62949 | 
| 2017 | 5.71074 | 
| 2016 | 5.77951 | 
| 2015 | 5.83577 | 
| 2014 | 5.87802 | 
| 2013 | 5.89968 | 
| 2012 | 5.88647 | 
| 2011 | 5.83148 | 
| 2010 | 5.74595 | 
| 2009 | 5.65594 | 
| 2008 | 5.58927 | 
| 2007 | 5.57064 | 
| 2006 | 5.59679 | 
| 2005 | 5.64983 | 
| 2004 | 5.70967 | 
| 2003 | 5.75068 | 
| 2002 | 5.75796 | 
| 2001 | 5.73954 | 
| 2000 | 5.70412 | 
| 1999 | 5.64283 | 
| 1998 | 5.55919 | 
| 1997 | 5.46335 | 
| 1996 | 5.36262 | 
| 1995 | 5.2559 | 
| 1994 | 5.14624 | 
| 1993 | 5.03704 | 
| 1992 | 4.92816 | 
| 1991 | 4.80569 | 
| 1990 | 4.66859 | 
| 1989 | 4.52679 | 
| 1988 | 4.37921 | 
| 1987 | 4.2495 | 
| 1986 | 4.16317 | 
| 1985 | 4.11238 | 
| 1984 | 4.08007 | 
| 1983 | 4.06163 | 
| 1982 | 4.05187 | 
| 1981 | 4.07873 | 
| 1980 | 4.15094 | 
| 1979 | 4.24075 | 
| 1978 | 4.33853 | 
| 1977 | 4.43261 | 
| 1976 | 4.44755 | 
| 1975 | 4.36579 | 
| 1974 | 4.26048 | 
| 1973 | 4.22638 | 
| 1972 | 4.27966 | 
| 1971 | 4.36833 | 
| 1970 | 4.49163 | 
| 1969 | 4.63148 | 
| 1968 | 4.75216 | 
| 1967 | 4.82276 | 
| 1966 | 4.82949 | 
| 1965 | 4.7843 | 
| 1964 | 4.70999 | 
| 1963 | 4.62158 | 
| 1962 | 4.53405 | 
| 1961 | 4.48801 | 
| 1960 | 4.4776 |