| 年份 | 美属萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 7.22338 |
| 2021 | 7.62552 |
| 2020 | 8.0667 |
| 2019 | 8.57227 |
| 2018 | 9.09016 |
| 2017 | 9.55073 |
| 2016 | 9.84806 |
| 2015 | 9.89114 |
| 2014 | 9.66849 |
| 2013 | 9.20985 |
| 2012 | 8.59885 |
| 2011 | 7.96616 |
| 2010 | 7.41476 |
| 2009 | 7.09151 |
| 2008 | 7.00246 |
| 2007 | 7.02895 |
| 2006 | 7.12083 |
| 2005 | 7.2299 |
| 2004 | 7.31192 |
| 2003 | 7.37877 |
| 2002 | 7.4456 |
| 2001 | 7.51497 |
| 2000 | 7.6001 |
| 1999 | 7.72296 |
| 1998 | 7.87789 |
| 1997 | 8.0505 |
| 1996 | 8.25504 |
| 1995 | 8.49902 |
| 1994 | 8.77481 |
| 1993 | 9.07671 |
| 1992 | 9.41384 |
| 1991 | 9.75538 |
| 1990 | 10.0793 |
| 1989 | 10.3261 |
| 1988 | 10.4479 |
| 1987 | 10.5185 |
| 1986 | 10.612 |
| 1985 | 10.696 |
| 1984 | 10.7423 |
| 1983 | 10.7697 |
| 1982 | 10.7352 |
| 1981 | 10.6071 |
| 1980 | 10.3651 |
| 1979 | 10.008 |
| 1978 | 9.69504 |
| 1977 | 9.52318 |
| 1976 | 9.4558 |
| 1975 | 9.43937 |
| 1974 | 9.38876 |
| 1973 | 9.25952 |
| 1972 | 9.11405 |
| 1971 | 8.97232 |
| 1970 | 8.78467 |
| 1969 | 8.60211 |
| 1968 | 8.42802 |
| 1967 | 8.24802 |
| 1966 | 8.06643 |
| 1965 | 7.91971 |
| 1964 | 7.87558 |
| 1963 | 7.89498 |
| 1962 | 7.91797 |
| 1961 | 7.91912 |
| 1960 | 7.95681 |