| 年份 | 萨摩亚 |
|---|---|
| 2023 | - |
| 2022 | 4.96185 |
| 2021 | 5.01925 |
| 2020 | 5.02764 |
| 2019 | 4.99924 |
| 2018 | 4.94731 |
| 2017 | 4.89121 |
| 2016 | 4.84405 |
| 2015 | 4.8042 |
| 2014 | 4.75926 |
| 2013 | 4.70978 |
| 2012 | 4.65399 |
| 2011 | 4.60218 |
| 2010 | 4.5591 |
| 2009 | 4.51113 |
| 2008 | 4.45542 |
| 2007 | 4.39422 |
| 2006 | 4.30875 |
| 2005 | 4.19066 |
| 2004 | 4.05891 |
| 2003 | 3.92159 |
| 2002 | 3.78063 |
| 2001 | 3.63669 |
| 2000 | 3.50341 |
| 1999 | 3.38695 |
| 1998 | 3.28535 |
| 1997 | 3.19378 |
| 1996 | 3.12087 |
| 1995 | 3.07307 |
| 1994 | 3.04505 |
| 1993 | 3.03275 |
| 1992 | 3.03544 |
| 1991 | 3.05979 |
| 1990 | 3.10002 |
| 1989 | 3.13945 |
| 1988 | 3.16488 |
| 1987 | 3.18327 |
| 1986 | 3.20588 |
| 1985 | 3.22195 |
| 1984 | 3.20958 |
| 1983 | 3.16966 |
| 1982 | 3.11872 |
| 1981 | 3.10716 |
| 1980 | 3.14927 |
| 1979 | 3.20389 |
| 1978 | 3.25427 |
| 1977 | 3.2901 |
| 1976 | 3.31368 |
| 1975 | 3.31531 |
| 1974 | 3.26907 |
| 1973 | 3.19571 |
| 1972 | 3.13017 |
| 1971 | 3.07768 |
| 1970 | 3.04455 |
| 1969 | 3.03145 |
| 1968 | 3.02697 |
| 1967 | 3.02124 |
| 1966 | 3.01574 |
| 1965 | 3.0106 |
| 1964 | 2.9972 |
| 1963 | 2.98233 |
| 1962 | 2.97182 |
| 1961 | 2.97415 |
| 1960 | 2.99025 |