| 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 | - |