| 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 |