| 年份 | 萨摩亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 0.280275 | 
| 2020 | 0.301641 | 
| 2019 | 0.23226 | 
| 2018 | 0.264679 | 
| 2017 | 0.482469 | 
| 2016 | 0.42543 | 
| 2015 | 0.385044 | 
| 2014 | 0.514372 | 
| 2013 | 0.35447 | 
| 2012 | 0.396499 | 
| 2011 | 0.479149 | 
| 2010 | 0.410594 | 
| 2009 | 0.443535 | 
| 2008 | 0.468263 | 
| 2007 | 0.330598 | 
| 2006 | 0.259331 | 
| 2005 | 0.31129 | 
| 2004 | 0.403326 | 
| 2003 | 0.558163 | 
| 2002 | 0.567748 | 
| 2001 | 0.551007 | 
| 2000 | 0.471117 | 
| 1999 | 1.08116 | 
| 1998 | 1.29191 | 
| 1997 | 1.2951 | 
| 1996 | 1.85156 | 
| 1995 | 2.0245 | 
| 1994 | 1.71614 | 
| 1993 | 2.61533 | 
| 1992 | 2.50826 | 
| 1991 | 2.34171 | 
| 1990 | 2.1616 | 
| 1989 | 2.35456 | 
| 1988 | 2.01392 | 
| 1987 | 2.55882 | 
| 1986 | 2.39306 | 
| 1985 | 1.94542 | 
| 1984 | 1.76371 | 
| 1983 | 2.55383 | 
| 1982 | 2.46365 | 
| 1981 | - | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |