| 年份 | 美属维京群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.4489 |
| 2021 | 6.55137 |
| 2020 | 6.6869 |
| 2019 | 6.8246 |
| 2018 | 6.93819 |
| 2017 | 7.05859 |
| 2016 | 7.17156 |
| 2015 | 7.25641 |
| 2014 | 7.30184 |
| 2013 | 7.31636 |
| 2012 | 7.313 |
| 2011 | 7.29493 |
| 2010 | 7.28061 |
| 2009 | 7.33683 |
| 2008 | 7.42942 |
| 2007 | 7.4686 |
| 2006 | 7.4535 |
| 2005 | 7.37626 |
| 2004 | 7.21359 |
| 2003 | 7.00487 |
| 2002 | 6.82399 |
| 2001 | 6.7076 |
| 2000 | 6.65093 |
| 1999 | 6.73624 |
| 1998 | 6.97686 |
| 1997 | 7.26679 |
| 1996 | 7.60642 |
| 1995 | 7.89814 |
| 1994 | 8.01149 |
| 1993 | 8.03268 |
| 1992 | 7.93715 |
| 1991 | 7.58824 |
| 1990 | 7.17009 |
| 1989 | 6.78753 |
| 1988 | 6.32405 |
| 1987 | 5.89158 |
| 1986 | 5.58138 |
| 1985 | 5.2941 |
| 1984 | 4.99339 |
| 1983 | 4.76935 |
| 1982 | 4.5951 |
| 1981 | 4.4092 |
| 1980 | 4.29662 |
| 1979 | 4.28357 |
| 1978 | 4.27869 |
| 1977 | 4.2424 |
| 1976 | 4.23129 |
| 1975 | 4.24487 |
| 1974 | 4.25373 |
| 1973 | 4.28132 |
| 1972 | 4.33042 |
| 1971 | 4.39611 |
| 1970 | 4.47212 |
| 1969 | 4.55659 |
| 1968 | 4.67384 |
| 1967 | 4.86846 |
| 1966 | 5.15196 |
| 1965 | 5.49392 |
| 1964 | 5.75673 |
| 1963 | 5.88868 |
| 1962 | 5.98159 |
| 1961 | 6.00845 |
| 1960 | 5.48491 |