| 年份 | 马绍尔群岛 |
|---|---|
| 2023 | - |
| 2022 | 4.24078 |
| 2021 | 4.08472 |
| 2020 | 3.85985 |
| 2019 | 3.66581 |
| 2018 | 3.47451 |
| 2017 | 3.35038 |
| 2016 | 3.31272 |
| 2015 | 3.28676 |
| 2014 | 3.24717 |
| 2013 | 3.21581 |
| 2012 | 3.17805 |
| 2011 | 3.10203 |
| 2010 | 3.04332 |
| 2009 | 3.01301 |
| 2008 | 2.94859 |
| 2007 | 2.83438 |
| 2006 | 2.69545 |
| 2005 | 2.51414 |
| 2004 | 2.29374 |
| 2003 | 2.08673 |
| 2002 | 1.90198 |
| 2001 | 1.75772 |
| 2000 | 1.64126 |
| 1999 | 1.53164 |
| 1998 | 1.45565 |
| 1997 | 1.4132 |
| 1996 | 1.38295 |
| 1995 | 1.37524 |
| 1994 | 1.39147 |
| 1993 | 1.40124 |
| 1992 | 1.41223 |
| 1991 | 1.43897 |
| 1990 | 1.4914 |
| 1989 | 1.55877 |
| 1988 | 1.65227 |
| 1987 | 1.76308 |
| 1986 | 1.84079 |
| 1985 | 1.87846 |
| 1984 | 1.8861 |
| 1983 | 1.88253 |
| 1982 | 1.88695 |
| 1981 | 1.91797 |
| 1980 | 1.99841 |
| 1979 | 2.14365 |
| 1978 | 2.31857 |
| 1977 | 2.44859 |
| 1976 | 2.51816 |
| 1975 | 2.5457 |
| 1974 | 2.5414 |
| 1973 | 2.58735 |
| 1972 | 2.64605 |
| 1971 | 2.64865 |
| 1970 | 2.59465 |
| 1969 | 2.52252 |
| 1968 | 2.51293 |
| 1967 | 2.56829 |
| 1966 | 2.6209 |
| 1965 | 2.64815 |
| 1964 | 2.67967 |
| 1963 | 2.70956 |
| 1962 | 2.74781 |
| 1961 | 2.79948 |
| 1960 | 2.85025 |