| 年份 | 美属萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 7.40639 |
| 2021 | 7.56651 |
| 2020 | 7.85978 |
| 2019 | 8.30695 |
| 2018 | 8.8568 |
| 2017 | 9.37633 |
| 2016 | 9.72662 |
| 2015 | 9.82944 |
| 2014 | 9.61296 |
| 2013 | 9.10747 |
| 2012 | 8.46429 |
| 2011 | 7.81658 |
| 2010 | 7.26487 |
| 2009 | 6.97425 |
| 2008 | 6.97164 |
| 2007 | 7.10744 |
| 2006 | 7.31254 |
| 2005 | 7.51964 |
| 2004 | 7.66757 |
| 2003 | 7.76526 |
| 2002 | 7.82732 |
| 2001 | 7.87208 |
| 2000 | 7.9238 |
| 1999 | 8.00409 |
| 1998 | 8.11644 |
| 1997 | 8.24344 |
| 1996 | 8.3736 |
| 1995 | 8.51528 |
| 1994 | 8.67493 |
| 1993 | 8.85946 |
| 1992 | 9.08559 |
| 1991 | 9.32418 |
| 1990 | 9.52012 |
| 1989 | 9.65597 |
| 1988 | 9.72958 |
| 1987 | 9.74561 |
| 1986 | 9.72078 |
| 1985 | 9.68536 |
| 1984 | 9.64194 |
| 1983 | 9.54533 |
| 1982 | 9.3718 |
| 1981 | 9.10632 |
| 1980 | 8.80129 |
| 1979 | 8.57117 |
| 1978 | 8.3432 |
| 1977 | 7.98144 |
| 1976 | 7.51127 |
| 1975 | 6.99699 |
| 1974 | 6.91994 |
| 1973 | 7.4116 |
| 1972 | 7.84492 |
| 1971 | 7.91439 |
| 1970 | 7.73358 |
| 1969 | 7.668 |
| 1968 | 7.87097 |
| 1967 | 8.20098 |
| 1966 | 8.52273 |
| 1965 | 8.71838 |
| 1964 | 8.75695 |
| 1963 | 8.58527 |
| 1962 | 8.17636 |
| 1961 | 7.61311 |
| 1960 | 7.0923 |