| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 5.63838 |
| 2021 | -0.401253 |
| 2020 | 1.22361 |
| 2019 | 1.49949 |
| 2018 | 1.09758 |
| 2017 | 0.304905 |
| 2016 | 2.24476 |
| 2015 | 3.96467 |
| 2014 | 0.853113 |
| 2013 | 2.34629 |
| 2012 | 4.02648 |
| 2011 | -0.90986 |
| 2010 | -5.14594 |
| 2009 | 1.67772 |
| 2008 | 9.11983 |
| 2007 | 7.48869 |
| 2006 | 5.27411 |
| 2005 | 3.99513 |
| 2004 | 7.07276 |
| 2003 | 2.5475 |
| 2002 | 1.48135 |
| 2001 | 3.36685 |
| 2000 | 2.0749 |
| 1999 | 1.12623 |
| 1998 | 3.41364 |
| 1997 | 11.8364 |
| 1996 | 4.59005 |
| 1995 | -6.97546 |
| 1994 | 68.228 |
| 1993 | 0.65473 |
| 1992 | 8.56597 |
| 1991 | 6.11137 |
| 1990 | 9.00644 |
| 1989 | - |
| 1988 | - |
| 1987 | - |
| 1986 | - |
| 1985 | - |
| 1984 | - |
| 1983 | - |
| 1982 | - |
| 1981 | - |
| 1980 | - |
| 1979 | - |
| 1978 | - |
| 1977 | - |
| 1976 | - |
| 1975 | - |
| 1974 | - |
| 1973 | - |
| 1972 | - |
| 1971 | - |
| 1970 | - |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |