| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 5.21827 |
| 2021 | 5.10962 |
| 2020 | 5.0142 |
| 2019 | 4.92767 |
| 2018 | 4.85191 |
| 2017 | 4.78978 |
| 2016 | 4.74619 |
| 2015 | 4.72121 |
| 2014 | 4.71681 |
| 2013 | 4.72869 |
| 2012 | 4.75182 |
| 2011 | 4.77079 |
| 2010 | 4.77676 |
| 2009 | 4.77803 |
| 2008 | 4.76753 |
| 2007 | 4.74412 |
| 2006 | 4.70117 |
| 2005 | 4.63483 |
| 2004 | 4.55806 |
| 2003 | 4.48091 |
| 2002 | 4.40525 |
| 2001 | 4.34431 |
| 2000 | 4.30144 |
| 1999 | 4.26292 |
| 1998 | 4.22707 |
| 1997 | 4.19254 |
| 1996 | 4.15646 |
| 1995 | 4.11974 |
| 1994 | 4.07754 |
| 1993 | 4.02686 |
| 1992 | 3.95908 |
| 1991 | 3.86512 |
| 1990 | 3.74466 |
| 1989 | 3.61346 |
| 1988 | 3.49802 |
| 1987 | 3.40673 |
| 1986 | 3.33062 |
| 1985 | 3.25523 |
| 1984 | 3.17877 |
| 1983 | 3.10135 |
| 1982 | 3.02184 |
| 1981 | 2.97009 |
| 1980 | 2.95292 |
| 1979 | 2.94179 |
| 1978 | 2.93416 |
| 1977 | 2.93243 |
| 1976 | 2.89593 |
| 1975 | 2.8281 |
| 1974 | 2.7726 |
| 1973 | 2.74757 |
| 1972 | 2.74551 |
| 1971 | 2.74741 |
| 1970 | 2.75126 |
| 1969 | 2.7528 |
| 1968 | 2.75382 |
| 1967 | 2.75796 |
| 1966 | 2.73658 |
| 1965 | 2.70362 |
| 1964 | 2.70457 |
| 1963 | 2.73019 |
| 1962 | 2.78412 |
| 1961 | 2.80005 |
| 1960 | 2.78598 |