| 年份 | 美属维京群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.1739 |
| 2021 | 6.16468 |
| 2020 | 6.16273 |
| 2019 | 6.18071 |
| 2018 | 6.21792 |
| 2017 | 6.28353 |
| 2016 | 6.3659 |
| 2015 | 6.46663 |
| 2014 | 6.57176 |
| 2013 | 6.66855 |
| 2012 | 6.75923 |
| 2011 | 6.83757 |
| 2010 | 6.89529 |
| 2009 | 6.96277 |
| 2008 | 7.0606 |
| 2007 | 7.17052 |
| 2006 | 7.27797 |
| 2005 | 7.37135 |
| 2004 | 7.40458 |
| 2003 | 7.37349 |
| 2002 | 7.31871 |
| 2001 | 7.24887 |
| 2000 | 7.1038 |
| 1999 | 6.91259 |
| 1998 | 6.77002 |
| 1997 | 6.69729 |
| 1996 | 6.67844 |
| 1995 | 6.7621 |
| 1994 | 6.93308 |
| 1993 | 7.10443 |
| 1992 | 7.29527 |
| 1991 | 7.52095 |
| 1990 | 7.71283 |
| 1989 | 7.80761 |
| 1988 | 7.84786 |
| 1987 | 7.74849 |
| 1986 | 7.41539 |
| 1985 | 7.02008 |
| 1984 | 6.67528 |
| 1983 | 6.31289 |
| 1982 | 6.00801 |
| 1981 | 5.82193 |
| 1980 | 5.65038 |
| 1979 | 5.47412 |
| 1978 | 5.36344 |
| 1977 | 5.28627 |
| 1976 | 5.21138 |
| 1975 | 5.17391 |
| 1974 | 5.15469 |
| 1973 | 5.14085 |
| 1972 | 5.15261 |
| 1971 | 5.20589 |
| 1970 | 5.24878 |
| 1969 | 5.25351 |
| 1968 | 5.28385 |
| 1967 | 5.35905 |
| 1966 | 5.49143 |
| 1965 | 5.70983 |
| 1964 | 5.93298 |
| 1963 | 6.10144 |
| 1962 | 6.29806 |
| 1961 | 6.51778 |
| 1960 | 6.07992 |