| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 8.5489 |
| 2021 | 8.58556 |
| 2020 | 8.387 |
| 2019 | 7.81864 |
| 2018 | 7.15719 |
| 2017 | 6.68527 |
| 2016 | 6.41544 |
| 2015 | 6.36231 |
| 2014 | 6.52653 |
| 2013 | 6.88138 |
| 2012 | 7.3628 |
| 2011 | 7.90349 |
| 2010 | 8.7576 |
| 2009 | 9.80771 |
| 2008 | 10.8391 |
| 2007 | 11.8806 |
| 2006 | 12.695 |
| 2005 | 13.0098 |
| 2004 | 12.6324 |
| 2003 | 11.5558 |
| 2002 | 9.94325 |
| 2001 | 8.06409 |
| 2000 | 6.37627 |
| 1999 | 5.53358 |
| 1998 | 5.6087 |
| 1997 | 6.13627 |
| 1996 | 6.82658 |
| 1995 | 7.57995 |
| 1994 | 8.23625 |
| 1993 | 8.48642 |
| 1992 | 8.15242 |
| 1991 | 7.29354 |
| 1990 | 6.2254 |
| 1989 | 5.54683 |
| 1988 | 5.40093 |
| 1987 | 5.55041 |
| 1986 | 5.97079 |
| 1985 | 6.61693 |
| 1984 | 7.42135 |
| 1983 | 8.4529 |
| 1982 | 9.75773 |
| 1981 | 11.1461 |
| 1980 | 12.2772 |
| 1979 | 12.7094 |
| 1978 | 12.5979 |
| 1977 | 12.4032 |
| 1976 | 12.3416 |
| 1975 | 12.475 |
| 1974 | 12.7605 |
| 1973 | 13.1457 |
| 1972 | 13.6082 |
| 1971 | 14.2452 |
| 1970 | 15.0578 |
| 1969 | 15.4135 |
| 1968 | 15.2388 |
| 1967 | 15.0511 |
| 1966 | 14.8162 |
| 1965 | 14.5084 |
| 1964 | 14.231 |
| 1963 | 13.9983 |
| 1962 | 13.7481 |
| 1961 | 13.5554 |
| 1960 | 13.4128 |