| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 7.86787 |
| 2021 | 7.61869 |
| 2020 | 7.30528 |
| 2019 | 6.88373 |
| 2018 | 6.36084 |
| 2017 | 5.81339 |
| 2016 | 5.24381 |
| 2015 | 4.69222 |
| 2014 | 4.19575 |
| 2013 | 3.76126 |
| 2012 | 3.35608 |
| 2011 | 2.994 |
| 2010 | 2.61542 |
| 2009 | 2.23734 |
| 2008 | 1.90487 |
| 2007 | 1.62914 |
| 2006 | 1.39155 |
| 2005 | 1.18347 |
| 2004 | 1.04306 |
| 2003 | 0.953386 |
| 2002 | 0.890434 |
| 2001 | 0.858431 |
| 2000 | 0.853382 |
| 1999 | 0.884978 |
| 1998 | 0.951519 |
| 1997 | 1.01873 |
| 1996 | 1.08908 |
| 1995 | 1.10733 |
| 1994 | 1.04534 |
| 1993 | 0.985093 |
| 1992 | 0.952153 |
| 1991 | 0.927519 |
| 1990 | 0.906411 |
| 1989 | 0.88814 |
| 1988 | 0.886038 |
| 1987 | 0.904768 |
| 1986 | 0.936307 |
| 1985 | 0.993203 |
| 1984 | 1.08536 |
| 1983 | 1.17696 |
| 1982 | 1.2549 |
| 1981 | 1.37887 |
| 1980 | 1.54969 |
| 1979 | 1.62021 |
| 1978 | 1.65488 |
| 1977 | 1.73746 |
| 1976 | 1.75013 |
| 1975 | 1.69026 |
| 1974 | 1.63219 |
| 1973 | 1.59543 |
| 1972 | 1.60935 |
| 1971 | 1.66575 |
| 1970 | 1.73632 |
| 1969 | 1.76837 |
| 1968 | 1.73332 |
| 1967 | 1.734 |
| 1966 | 1.75455 |
| 1965 | 1.77538 |
| 1964 | 1.82593 |
| 1963 | 1.84719 |
| 1962 | 1.85265 |
| 1961 | 1.87668 |
| 1960 | 1.86614 |