| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 5.343 |
| 2020 | 5.305 |
| 2019 | 5.5 |
| 2018 | 5.297 |
| 2017 | 5.29 |
| 2016 | 5.29 |
| 2015 | 5.281 |
| 2014 | 5.285 |
| 2013 | 5.299 |
| 2012 | 5.372 |
| 2011 | 5.308 |
| 2010 | 5.275 |
| 2009 | 6.066 |
| 2008 | 5.238 |
| 2007 | 5.221 |
| 2006 | 5.169 |
| 2005 | 5.171 |
| 2004 | 5.088 |
| 2003 | 5.057 |
| 2002 | 5.035 |
| 2001 | 5.08 |
| 2000 | 5.138 |
| 1999 | 5.206 |
| 1998 | 5.276 |
| 1997 | 5.353 |
| 1996 | 5.429 |
| 1995 | 5.505 |
| 1994 | 5.594 |
| 1993 | 5.662 |
| 1992 | 5.741 |
| 1991 | 5.9 |
| 1990 | 5.95 |
| 1989 | 5.987 |
| 1988 | 6.068 |
| 1987 | 6.158 |
| 1986 | 6.198 |
| 1985 | 6.229 |
| 1984 | 6.271 |
| 1983 | 6.324 |
| 1982 | 6.381 |
| 1981 | 6.494 |
| 1980 | 6.631 |
| 1979 | 6.779 |
| 1978 | 6.942 |
| 1977 | 7.09 |
| 1976 | 7.212 |
| 1975 | 7.351 |
| 1974 | 7.532 |
| 1973 | 7.765 |
| 1972 | 8.018 |
| 1971 | 8.283 |
| 1970 | 8.562 |
| 1969 | 8.85 |
| 1968 | 9.15 |
| 1967 | 9.463 |
| 1966 | 9.915 |
| 1965 | 10.275 |
| 1964 | 12.897 |
| 1963 | 11.354 |
| 1962 | 12.008 |
| 1961 | 12.307 |
| 1960 | 12.747 |