| 年份 | 马绍尔群岛  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 0.336667 | 
| 2021 | 0.337912 | 
| 2020 | 0.339247 | 
| 2019 | 0.361473 | 
| 2018 | 0.382894 | 
| 2017 | 0.386285 | 
| 2016 | 0.381501 | 
| 2015 | 0.381569 | 
| 2014 | 0.374045 | 
| 2013 | 0.371332 | 
| 2012 | 0.377114 | 
| 2011 | 0.379433 | 
| 2010 | 0.377967 | 
| 2009 | 0.374589 | 
| 2008 | 0.367465 | 
| 2007 | 0.356594 | 
| 2006 | 0.349869 | 
| 2005 | 0.351023 | 
| 2004 | 0.356154 | 
| 2003 | 0.357755 | 
| 2002 | 0.359678 | 
| 2001 | 0.36782 | 
| 2000 | 0.372958 | 
| 1999 | 0.379539 | 
| 1998 | 0.392021 | 
| 1997 | 0.401898 | 
| 1996 | 0.410211 | 
| 1995 | 0.410823 | 
| 1994 | 0.403442 | 
| 1993 | 0.391877 | 
| 1992 | 0.384476 | 
| 1991 | 0.387986 | 
| 1990 | 0.385378 | 
| 1989 | 0.380844 | 
| 1988 | 0.389799 | 
| 1987 | 0.401646 | 
| 1986 | 0.412137 | 
| 1985 | 0.428372 | 
| 1984 | 0.445428 | 
| 1983 | 0.463187 | 
| 1982 | 0.48165 | 
| 1981 | 0.506944 | 
| 1980 | 0.539092 | 
| 1979 | 0.574846 | 
| 1978 | 0.615427 | 
| 1977 | 0.654751 | 
| 1976 | 0.707063 | 
| 1975 | 0.751081 | 
| 1974 | 0.781189 | 
| 1973 | 0.769698 | 
| 1972 | 0.717294 | 
| 1971 | 0.682111 | 
| 1970 | 0.711079 | 
| 1969 | 0.804453 | 
| 1968 | 0.89804 | 
| 1967 | 0.936095 | 
| 1966 | 0.882449 | 
| 1965 | 0.789667 | 
| 1964 | 0.72413 | 
| 1963 | 0.719164 | 
| 1962 | 0.756345 | 
| 1961 | 0.794522 | 
| 1960 | 0.833556 |