| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.08222 |
| 2021 | 6.60225 |
| 2020 | 7.11402 |
| 2019 | 7.54181 |
| 2018 | 7.8114 |
| 2017 | 7.93252 |
| 2016 | 7.88787 |
| 2015 | 7.63586 |
| 2014 | 7.19377 |
| 2013 | 6.62496 |
| 2012 | 6.00941 |
| 2011 | 5.41616 |
| 2010 | 4.8511 |
| 2009 | 4.4641 |
| 2008 | 4.28079 |
| 2007 | 4.20662 |
| 2006 | 4.256 |
| 2005 | 4.37822 |
| 2004 | 4.45572 |
| 2003 | 4.4959 |
| 2002 | 4.6045 |
| 2001 | 4.82135 |
| 2000 | 5.21956 |
| 1999 | 5.80964 |
| 1998 | 6.40995 |
| 1997 | 6.80191 |
| 1996 | 6.94045 |
| 1995 | 6.98206 |
| 1994 | 7.07932 |
| 1993 | 7.16136 |
| 1992 | 7.17541 |
| 1991 | 7.13764 |
| 1990 | 7.30154 |
| 1989 | 8.09179 |
| 1988 | 9.31403 |
| 1987 | 10.421 |
| 1986 | 11.3424 |
| 1985 | 11.9697 |
| 1984 | 12.1785 |
| 1983 | 11.9453 |
| 1982 | 11.2625 |
| 1981 | 10.1341 |
| 1980 | 8.87437 |
| 1979 | 8.38822 |
| 1978 | 8.55763 |
| 1977 | 8.64086 |
| 1976 | 8.60116 |
| 1975 | 8.37087 |
| 1974 | 8.05386 |
| 1973 | 7.97308 |
| 1972 | 8.26021 |
| 1971 | 8.62276 |
| 1970 | 8.64162 |
| 1969 | 7.97352 |
| 1968 | 7.04132 |
| 1967 | 6.50882 |
| 1966 | 6.47502 |
| 1965 | 6.71344 |
| 1964 | 7.01471 |
| 1963 | 7.29623 |
| 1962 | 7.4725 |
| 1961 | 7.57407 |
| 1960 | 7.53181 |