| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.82936 |
| 2021 | 7.35609 |
| 2020 | 7.92325 |
| 2019 | 8.48453 |
| 2018 | 9.01944 |
| 2017 | 9.51976 |
| 2016 | 9.9136 |
| 2015 | 10.1665 |
| 2014 | 10.2875 |
| 2013 | 10.2948 |
| 2012 | 10.2004 |
| 2011 | 10.0692 |
| 2010 | 9.82851 |
| 2009 | 9.51226 |
| 2008 | 9.2069 |
| 2007 | 8.88239 |
| 2006 | 8.52874 |
| 2005 | 8.11315 |
| 2004 | 7.63229 |
| 2003 | 7.1192 |
| 2002 | 6.61897 |
| 2001 | 6.14476 |
| 2000 | 5.75474 |
| 1999 | 5.57753 |
| 1998 | 5.58909 |
| 1997 | 5.673 |
| 1996 | 5.79989 |
| 1995 | 5.87256 |
| 1994 | 5.82514 |
| 1993 | 5.7078 |
| 1992 | 5.56363 |
| 1991 | 5.41687 |
| 1990 | 5.24025 |
| 1989 | 4.96175 |
| 1988 | 4.65813 |
| 1987 | 4.44423 |
| 1986 | 4.33364 |
| 1985 | 4.29286 |
| 1984 | 4.25209 |
| 1983 | 4.2524 |
| 1982 | 4.29206 |
| 1981 | 4.35343 |
| 1980 | 4.42908 |
| 1979 | 4.34431 |
| 1978 | 4.12863 |
| 1977 | 4.0084 |
| 1976 | 3.88736 |
| 1975 | 3.75375 |
| 1974 | 3.68067 |
| 1973 | 3.5957 |
| 1972 | 3.50983 |
| 1971 | 3.43879 |
| 1970 | 3.36224 |
| 1969 | 3.26055 |
| 1968 | 3.16528 |
| 1967 | 3.11049 |
| 1966 | 3.11027 |
| 1965 | 3.1862 |
| 1964 | 3.28563 |
| 1963 | 3.33542 |
| 1962 | 3.42894 |
| 1961 | 3.55313 |
| 1960 | 3.63407 |