| 年份 | 北马里亚纳群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.0597 |
| 2021 | 6.13979 |
| 2020 | 6.28039 |
| 2019 | 6.4962 |
| 2018 | 6.81337 |
| 2017 | 7.23406 |
| 2016 | 7.70404 |
| 2015 | 8.27081 |
| 2014 | 9.07699 |
| 2013 | 9.87288 |
| 2012 | 10.3748 |
| 2011 | 10.6452 |
| 2010 | 10.6735 |
| 2009 | 10.1988 |
| 2008 | 9.59442 |
| 2007 | 9.37841 |
| 2006 | 9.49041 |
| 2005 | 9.87707 |
| 2004 | 10.4351 |
| 2003 | 11.1073 |
| 2002 | 11.9981 |
| 2001 | 13.2327 |
| 2000 | 14.7846 |
| 1999 | 16.2038 |
| 1998 | 16.9046 |
| 1997 | 16.4537 |
| 1996 | 14.7527 |
| 1995 | 12.9469 |
| 1994 | 12.1588 |
| 1993 | 11.8111 |
| 1992 | 11.6128 |
| 1991 | 11.7237 |
| 1990 | 12.2945 |
| 1989 | 13.2665 |
| 1988 | 14.3816 |
| 1987 | 15.26 |
| 1986 | 15.6466 |
| 1985 | 15.4898 |
| 1984 | 14.945 |
| 1983 | 14.2624 |
| 1982 | 13.7061 |
| 1981 | 13.5949 |
| 1980 | 14.0218 |
| 1979 | 14.3212 |
| 1978 | 14.459 |
| 1977 | 15.0255 |
| 1976 | 15.8984 |
| 1975 | 16.9169 |
| 1974 | 17.8711 |
| 1973 | 18.3728 |
| 1972 | 18.298 |
| 1971 | 17.9247 |
| 1970 | 17.6108 |
| 1969 | 17.518 |
| 1968 | 17.6839 |
| 1967 | 18.208 |
| 1966 | 18.803 |
| 1965 | 19.127 |
| 1964 | 19.1796 |
| 1963 | 19.1161 |
| 1962 | 19.1503 |
| 1961 | 19.325 |
| 1960 | 19.569 |