| 年份 | 美属维京群岛  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 4.83235 | 
| 2021 | 4.58487 | 
| 2020 | 4.37261 | 
| 2019 | 4.16444 | 
| 2018 | 3.94882 | 
| 2017 | 3.75222 | 
| 2016 | 3.57823 | 
| 2015 | 3.41464 | 
| 2014 | 3.26179 | 
| 2013 | 3.12606 | 
| 2012 | 2.9953 | 
| 2011 | 2.87483 | 
| 2010 | 2.77234 | 
| 2009 | 2.66029 | 
| 2008 | 2.54283 | 
| 2007 | 2.45528 | 
| 2006 | 2.38811 | 
| 2005 | 2.32409 | 
| 2004 | 2.23904 | 
| 2003 | 2.13509 | 
| 2002 | 2.02818 | 
| 2001 | 1.9226 | 
| 2000 | 1.82516 | 
| 1999 | 1.72964 | 
| 1998 | 1.63609 | 
| 1997 | 1.55684 | 
| 1996 | 1.48104 | 
| 1995 | 1.40261 | 
| 1994 | 1.29924 | 
| 1993 | 1.16612 | 
| 1992 | 1.02859 | 
| 1991 | 0.856051 | 
| 1990 | 0.734065 | 
| 1989 | 0.704565 | 
| 1988 | 0.698858 | 
| 1987 | 0.71053 | 
| 1986 | 0.718327 | 
| 1985 | 0.717273 | 
| 1984 | 0.720661 | 
| 1983 | 0.73212 | 
| 1982 | 0.748614 | 
| 1981 | 0.765481 | 
| 1980 | 0.77199 | 
| 1979 | 0.755017 | 
| 1978 | 0.726395 | 
| 1977 | 0.712492 | 
| 1976 | 0.713096 | 
| 1975 | 0.728691 | 
| 1974 | 0.748381 | 
| 1973 | 0.765336 | 
| 1972 | 0.788985 | 
| 1971 | 0.824718 | 
| 1970 | 0.88444 | 
| 1969 | 0.907668 | 
| 1968 | 0.888417 | 
| 1967 | 0.888318 | 
| 1966 | 0.918454 | 
| 1965 | 0.98718 | 
| 1964 | 1.08632 | 
| 1963 | 1.20616 | 
| 1962 | 1.35073 | 
| 1961 | 1.53227 | 
| 1960 | 1.46256 |