| 年份 | 美属维京群岛 |
|---|---|
| 2023 | - |
| 2022 | 5.39637 |
| 2021 | 5.63698 |
| 2020 | 5.83061 |
| 2019 | 5.95203 |
| 2018 | 5.98898 |
| 2017 | 5.98367 |
| 2016 | 5.95689 |
| 2015 | 5.93056 |
| 2014 | 5.92596 |
| 2013 | 5.94719 |
| 2012 | 5.98954 |
| 2011 | 6.04984 |
| 2010 | 6.13057 |
| 2009 | 6.21956 |
| 2008 | 6.32688 |
| 2007 | 6.46455 |
| 2006 | 6.61509 |
| 2005 | 6.76983 |
| 2004 | 6.90017 |
| 2003 | 6.99999 |
| 2002 | 7.0835 |
| 2001 | 7.14507 |
| 2000 | 7.15219 |
| 1999 | 7.17518 |
| 1998 | 7.17491 |
| 1997 | 7.05237 |
| 1996 | 6.91763 |
| 1995 | 6.82021 |
| 1994 | 6.74562 |
| 1993 | 6.66963 |
| 1992 | 6.59754 |
| 1991 | 6.49328 |
| 1990 | 6.48119 |
| 1989 | 6.63815 |
| 1988 | 6.82245 |
| 1987 | 7.02834 |
| 1986 | 7.31571 |
| 1985 | 7.56824 |
| 1984 | 7.72376 |
| 1983 | 7.89267 |
| 1982 | 7.94919 |
| 1981 | 7.75833 |
| 1980 | 7.49533 |
| 1979 | 7.30141 |
| 1978 | 7.11635 |
| 1977 | 6.98535 |
| 1976 | 6.91774 |
| 1975 | 6.81924 |
| 1974 | 6.68855 |
| 1973 | 6.56841 |
| 1972 | 6.49349 |
| 1971 | 6.47069 |
| 1970 | 6.44061 |
| 1969 | 6.3939 |
| 1968 | 6.39104 |
| 1967 | 6.43198 |
| 1966 | 6.49187 |
| 1965 | 6.55636 |
| 1964 | 6.50751 |
| 1963 | 6.37288 |
| 1962 | 6.29806 |
| 1961 | 6.2911 |
| 1960 | 5.93192 |