| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 17.616 |
| 2021 | 17.742 |
| 2020 | 17.889 |
| 2019 | 18.056 |
| 2018 | 18.243 |
| 2017 | 18.452 |
| 2016 | 18.681 |
| 2015 | 18.914 |
| 2014 | 19.149 |
| 2013 | 19.385 |
| 2012 | 19.624 |
| 2011 | 19.857 |
| 2010 | 20.078 |
| 2009 | 20.3 |
| 2008 | 20.524 |
| 2007 | 20.75 |
| 2006 | 20.981 |
| 2005 | 21.218 |
| 2004 | 21.457 |
| 2003 | 21.698 |
| 2002 | 21.941 |
| 2001 | 22.068 |
| 2000 | 21.977 |
| 1999 | 21.886 |
| 1998 | 21.796 |
| 1997 | 21.705 |
| 1996 | 21.616 |
| 1995 | 21.526 |
| 1994 | 21.436 |
| 1993 | 21.347 |
| 1992 | 21.258 |
| 1991 | 21.2 |
| 1990 | 21.2 |
| 1989 | 21.2 |
| 1988 | 21.2 |
| 1987 | 21.2 |
| 1986 | 21.2 |
| 1985 | 21.2 |
| 1984 | 21.2 |
| 1983 | 21.2 |
| 1982 | 21.2 |
| 1981 | 21.193 |
| 1980 | 21.173 |
| 1979 | 21.153 |
| 1978 | 21.133 |
| 1977 | 21.113 |
| 1976 | 21.073 |
| 1975 | 20.992 |
| 1974 | 20.912 |
| 1973 | 20.832 |
| 1972 | 20.752 |
| 1971 | 20.611 |
| 1970 | 20.353 |
| 1969 | 20.097 |
| 1968 | 19.844 |
| 1967 | 19.593 |
| 1966 | 19.382 |
| 1965 | 19.301 |
| 1964 | 19.221 |
| 1963 | 19.141 |
| 1962 | 19.061 |
| 1961 | 18.986 |
| 1960 | 18.926 |