| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 8.017 |
| 2021 | 8.11 |
| 2020 | 8.202 |
| 2019 | 8.292 |
| 2018 | 8.382 |
| 2017 | 8.47 |
| 2016 | 8.557 |
| 2015 | 8.643 |
| 2014 | 8.727 |
| 2013 | 8.81 |
| 2012 | 8.892 |
| 2011 | 8.972 |
| 2010 | 9.051 |
| 2009 | 9.128 |
| 2008 | 9.205 |
| 2007 | 9.284 |
| 2006 | 9.362 |
| 2005 | 9.442 |
| 2004 | 9.522 |
| 2003 | 9.602 |
| 2002 | 9.684 |
| 2001 | 9.765 |
| 2000 | 9.848 |
| 1999 | 9.962 |
| 1998 | 10.088 |
| 1997 | 10.216 |
| 1996 | 10.345 |
| 1995 | 10.443 |
| 1994 | 10.408 |
| 1993 | 10.373 |
| 1992 | 10.338 |
| 1991 | 10.303 |
| 1990 | 10.269 |
| 1989 | 10.465 |
| 1988 | 10.743 |
| 1987 | 11.029 |
| 1986 | 11.321 |
| 1985 | 11.619 |
| 1984 | 11.924 |
| 1983 | 12.237 |
| 1982 | 12.556 |
| 1981 | 12.883 |
| 1980 | 13.216 |
| 1979 | 14.15 |
| 1978 | 15.349 |
| 1977 | 16.63 |
| 1976 | 17.993 |
| 1975 | 19.446 |
| 1974 | 20.984 |
| 1973 | 22.72 |
| 1972 | 24.979 |
| 1971 | 27.391 |
| 1970 | 29.938 |
| 1969 | 32.616 |
| 1968 | 35.408 |
| 1967 | 38.312 |
| 1966 | 39.769 |
| 1965 | 41.241 |
| 1964 | 42.726 |
| 1963 | 44.229 |
| 1962 | 45.74 |
| 1961 | 47.259 |
| 1960 | 48.781 |