| 年份 | 美属萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 5.59365 |
| 2021 | 5.73153 |
| 2020 | 5.82666 |
| 2019 | 5.92534 |
| 2018 | 6.0537 |
| 2017 | 6.20028 |
| 2016 | 6.31537 |
| 2015 | 6.40856 |
| 2014 | 6.4659 |
| 2013 | 6.471 |
| 2012 | 6.44863 |
| 2011 | 6.42396 |
| 2010 | 6.40986 |
| 2009 | 6.41989 |
| 2008 | 6.43033 |
| 2007 | 6.4172 |
| 2006 | 6.35571 |
| 2005 | 6.25861 |
| 2004 | 6.13508 |
| 2003 | 5.99262 |
| 2002 | 5.84386 |
| 2001 | 5.71198 |
| 2000 | 5.59892 |
| 1999 | 5.48706 |
| 1998 | 5.37517 |
| 1997 | 5.24182 |
| 1996 | 5.11001 |
| 1995 | 4.97655 |
| 1994 | 4.87673 |
| 1993 | 4.84388 |
| 1992 | 4.82928 |
| 1991 | 4.80342 |
| 1990 | 4.80082 |
| 1989 | 4.79116 |
| 1988 | 4.74555 |
| 1987 | 4.71466 |
| 1986 | 4.70421 |
| 1985 | 4.69384 |
| 1984 | 4.711 |
| 1983 | 4.7514 |
| 1982 | 4.77296 |
| 1981 | 4.79159 |
| 1980 | 4.80855 |
| 1979 | 4.77602 |
| 1978 | 4.67942 |
| 1977 | 4.59124 |
| 1976 | 4.5515 |
| 1975 | 4.55764 |
| 1974 | 4.53119 |
| 1973 | 4.44216 |
| 1972 | 4.35557 |
| 1971 | 4.27718 |
| 1970 | 4.21305 |
| 1969 | 4.1518 |
| 1968 | 4.12489 |
| 1967 | 4.12611 |
| 1966 | 4.16396 |
| 1965 | 4.24838 |
| 1964 | 4.32458 |
| 1963 | 4.38378 |
| 1962 | 4.39984 |
| 1961 | 4.36384 |
| 1960 | 4.30483 |