| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 2.10552 |
| 2021 | 2.35531 |
| 2020 | 2.75091 |
| 2019 | 3.22567 |
| 2018 | 3.77121 |
| 2017 | 4.31779 |
| 2016 | 4.897 |
| 2015 | 5.56038 |
| 2014 | 6.29976 |
| 2013 | 7.10257 |
| 2012 | 7.96642 |
| 2011 | 8.814 |
| 2010 | 9.65724 |
| 2009 | 10.6485 |
| 2008 | 11.529 |
| 2007 | 11.9613 |
| 2006 | 11.9923 |
| 2005 | 11.6803 |
| 2004 | 11.0924 |
| 2003 | 10.3192 |
| 2002 | 9.45336 |
| 2001 | 8.58913 |
| 2000 | 7.87865 |
| 1999 | 7.6196 |
| 1998 | 7.87372 |
| 1997 | 8.45865 |
| 1996 | 9.32586 |
| 1995 | 9.94075 |
| 1994 | 9.81928 |
| 1993 | 9.37358 |
| 1992 | 8.83894 |
| 1991 | 8.22356 |
| 1990 | 7.57029 |
| 1989 | 6.99209 |
| 1988 | 6.51675 |
| 1987 | 6.1133 |
| 1986 | 5.80272 |
| 1985 | 5.55666 |
| 1984 | 5.29065 |
| 1983 | 5.01755 |
| 1982 | 4.77235 |
| 1981 | 4.52906 |
| 1980 | 4.37384 |
| 1979 | 4.2674 |
| 1978 | 4.12746 |
| 1977 | 4.04307 |
| 1976 | 4.09262 |
| 1975 | 4.17067 |
| 1974 | 4.2423 |
| 1973 | 4.33363 |
| 1972 | 4.37873 |
| 1971 | 4.38404 |
| 1970 | 4.28023 |
| 1969 | 4.13983 |
| 1968 | 4.09606 |
| 1967 | 4.1241 |
| 1966 | 4.15402 |
| 1965 | 4.17852 |
| 1964 | 4.21992 |
| 1963 | 4.25063 |
| 1962 | 4.24702 |
| 1961 | 4.2672 |
| 1960 | 4.3313 |