| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 2.91202 |
| 2021 | 2.86148 |
| 2020 | 2.80433 |
| 2019 | 2.73333 |
| 2018 | 2.65223 |
| 2017 | 2.5707 |
| 2016 | 2.48647 |
| 2015 | 2.39682 |
| 2014 | 2.30851 |
| 2013 | 2.22466 |
| 2012 | 2.14183 |
| 2011 | 2.0745 |
| 2010 | 2.02649 |
| 2009 | 1.99148 |
| 2008 | 1.97006 |
| 2007 | 1.96419 |
| 2006 | 1.96615 |
| 2005 | 1.9684 |
| 2004 | 1.97706 |
| 2003 | 1.9855 |
| 2002 | 1.99018 |
| 2001 | 1.99803 |
| 2000 | 2.00635 |
| 1999 | 2.00519 |
| 1998 | 2.0011 |
| 1997 | 1.99537 |
| 1996 | 1.98345 |
| 1995 | 1.97055 |
| 1994 | 1.96273 |
| 1993 | 1.96692 |
| 1992 | 1.99202 |
| 1991 | 2.03271 |
| 1990 | 2.08477 |
| 1989 | 2.13333 |
| 1988 | 2.1513 |
| 1987 | 2.13298 |
| 1986 | 2.09067 |
| 1985 | 2.03287 |
| 1984 | 1.95886 |
| 1983 | 1.87674 |
| 1982 | 1.79713 |
| 1981 | 1.73014 |
| 1980 | 1.67649 |
| 1979 | 1.63235 |
| 1978 | 1.59675 |
| 1977 | 1.56531 |
| 1976 | 1.52253 |
| 1975 | 1.4669 |
| 1974 | 1.41501 |
| 1973 | 1.37985 |
| 1972 | 1.36054 |
| 1971 | 1.34282 |
| 1970 | 1.32484 |
| 1969 | 1.30922 |
| 1968 | 1.29588 |
| 1967 | 1.29095 |
| 1966 | 1.3068 |
| 1965 | 1.33755 |
| 1964 | 1.36549 |
| 1963 | 1.38751 |
| 1962 | 1.39874 |
| 1961 | 1.38367 |
| 1960 | 1.35687 |