| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 4.76253 |
| 2021 | 5.14908 |
| 2020 | 5.58946 |
| 2019 | 6.0716 |
| 2018 | 6.56618 |
| 2017 | 7.06037 |
| 2016 | 7.58272 |
| 2015 | 8.14822 |
| 2014 | 8.71967 |
| 2013 | 9.28368 |
| 2012 | 9.82615 |
| 2011 | 10.2782 |
| 2010 | 10.4903 |
| 2009 | 10.5011 |
| 2008 | 10.4105 |
| 2007 | 10.1825 |
| 2006 | 9.8982 |
| 2005 | 9.6127 |
| 2004 | 9.34209 |
| 2003 | 9.09116 |
| 2002 | 8.84861 |
| 2001 | 8.59819 |
| 2000 | 8.35601 |
| 1999 | 8.21316 |
| 1998 | 8.15578 |
| 1997 | 8.12316 |
| 1996 | 8.12768 |
| 1995 | 8.11163 |
| 1994 | 8.07821 |
| 1993 | 8.07284 |
| 1992 | 8.06288 |
| 1991 | 8.03552 |
| 1990 | 7.93654 |
| 1989 | 7.6411 |
| 1988 | 7.16619 |
| 1987 | 6.66878 |
| 1986 | 6.19282 |
| 1985 | 5.76724 |
| 1984 | 5.45046 |
| 1983 | 5.29789 |
| 1982 | 5.31059 |
| 1981 | 5.51816 |
| 1980 | 5.82802 |
| 1979 | 5.86366 |
| 1978 | 5.64226 |
| 1977 | 5.37054 |
| 1976 | 5.07499 |
| 1975 | 4.83609 |
| 1974 | 4.64251 |
| 1973 | 4.39097 |
| 1972 | 4.13767 |
| 1971 | 3.92022 |
| 1970 | 3.78613 |
| 1969 | 3.77433 |
| 1968 | 3.70546 |
| 1967 | 3.62117 |
| 1966 | 3.61923 |
| 1965 | 3.6539 |
| 1964 | 3.69885 |
| 1963 | 3.79404 |
| 1962 | 3.83869 |
| 1961 | 3.865 |
| 1960 | 3.96653 |