| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 13.3521 |
| 2021 | 13.562 |
| 2020 | 13.7954 |
| 2019 | 14.0129 |
| 2018 | 14.2014 |
| 2017 | 14.3843 |
| 2016 | 14.5516 |
| 2015 | 14.6578 |
| 2014 | 14.6711 |
| 2013 | 14.602 |
| 2012 | 14.4611 |
| 2011 | 14.3009 |
| 2010 | 14.1664 |
| 2009 | 14.0651 |
| 2008 | 14.002 |
| 2007 | 13.9733 |
| 2006 | 14.0285 |
| 2005 | 14.1696 |
| 2004 | 14.3505 |
| 2003 | 14.5752 |
| 2002 | 14.8448 |
| 2001 | 15.0539 |
| 2000 | 15.1832 |
| 1999 | 15.3016 |
| 1998 | 15.3807 |
| 1997 | 15.4081 |
| 1996 | 15.3926 |
| 1995 | 15.2806 |
| 1994 | 15.0603 |
| 1993 | 14.8092 |
| 1992 | 14.5562 |
| 1991 | 14.4134 |
| 1990 | 14.4583 |
| 1989 | 14.5961 |
| 1988 | 14.7286 |
| 1987 | 14.7813 |
| 1986 | 14.7693 |
| 1985 | 14.8149 |
| 1984 | 14.9696 |
| 1983 | 15.2007 |
| 1982 | 15.473 |
| 1981 | 15.7222 |
| 1980 | 15.9343 |
| 1979 | 16.1611 |
| 1978 | 16.412 |
| 1977 | 16.6726 |
| 1976 | 17.0159 |
| 1975 | 17.4373 |
| 1974 | 17.8462 |
| 1973 | 18.1586 |
| 1972 | 18.3673 |
| 1971 | 18.5568 |
| 1970 | 18.7489 |
| 1969 | 18.9679 |
| 1968 | 19.2289 |
| 1967 | 19.5565 |
| 1966 | 19.8572 |
| 1965 | 20.0968 |
| 1964 | 20.3684 |
| 1963 | 20.6133 |
| 1962 | 20.8108 |
| 1961 | 20.9694 |
| 1960 | 21.0978 |