| 年份 | 北马里亚纳群岛  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | - | 
| 2021 | 1.151 | 
| 2020 | 1.151 | 
| 2019 | 1.158 | 
| 2018 | 1.163 | 
| 2017 | 1.167 | 
| 2016 | 1.17 | 
| 2015 | 1.171 | 
| 2014 | 1.172 | 
| 2013 | 1.172 | 
| 2012 | 1.171 | 
| 2011 | 1.171 | 
| 2010 | 1.171 | 
| 2009 | 1.172 | 
| 2008 | 1.173 | 
| 2007 | 1.174 | 
| 2006 | 1.174 | 
| 2005 | 1.174 | 
| 2004 | 1.173 | 
| 2003 | 1.17 | 
| 2002 | 1.166 | 
| 2001 | 1.16 | 
| 2000 | 1.153 | 
| 1999 | 1.146 | 
| 1998 | 1.14 | 
| 1997 | 1.134 | 
| 1996 | 1.13 | 
| 1995 | 1.127 | 
| 1994 | 1.124 | 
| 1993 | 1.122 | 
| 1992 | 1.119 | 
| 1991 | 1.116 | 
| 1990 | 1.113 | 
| 1989 | 1.11 | 
| 1988 | 1.107 | 
| 1987 | 1.104 | 
| 1986 | 1.102 | 
| 1985 | 1.1 | 
| 1984 | 1.098 | 
| 1983 | 1.096 | 
| 1982 | 1.095 | 
| 1981 | 1.093 | 
| 1980 | 1.091 | 
| 1979 | 1.09 | 
| 1978 | 1.088 | 
| 1977 | 1.086 | 
| 1976 | 1.085 | 
| 1975 | 1.084 | 
| 1974 | 1.083 | 
| 1973 | 1.081 | 
| 1972 | 1.08 | 
| 1971 | 1.079 | 
| 1970 | 1.078 | 
| 1969 | 1.077 | 
| 1968 | 1.076 | 
| 1967 | 1.076 | 
| 1966 | 1.075 | 
| 1965 | 1.074 | 
| 1964 | 1.073 | 
| 1963 | 1.072 | 
| 1962 | 1.072 | 
| 1961 | 1.071 | 
| 1960 | 1.07 |