| 年份 | 美属维京群岛 |
|---|---|
| 2023 | - |
| 2022 | 7.32667 |
| 2021 | 7.33898 |
| 2020 | 7.36583 |
| 2019 | 7.39409 |
| 2018 | 7.40544 |
| 2017 | 7.41314 |
| 2016 | 7.40376 |
| 2015 | 7.36239 |
| 2014 | 7.28917 |
| 2013 | 7.19095 |
| 2012 | 7.08917 |
| 2011 | 7.00417 |
| 2010 | 6.95882 |
| 2009 | 6.99418 |
| 2008 | 7.09164 |
| 2007 | 7.1821 |
| 2006 | 7.22828 |
| 2005 | 7.2055 |
| 2004 | 7.08431 |
| 2003 | 6.87833 |
| 2002 | 6.62468 |
| 2001 | 6.33015 |
| 2000 | 6.02224 |
| 1999 | 5.74917 |
| 1998 | 5.47999 |
| 1997 | 5.20828 |
| 1996 | 4.99332 |
| 1995 | 4.76346 |
| 1994 | 4.53037 |
| 1993 | 4.38174 |
| 1992 | 4.25489 |
| 1991 | 4.0973 |
| 1990 | 3.94367 |
| 1989 | 3.77631 |
| 1988 | 3.60645 |
| 1987 | 3.48693 |
| 1986 | 3.39547 |
| 1985 | 3.29397 |
| 1984 | 3.20832 |
| 1983 | 3.18879 |
| 1982 | 3.18887 |
| 1981 | 3.18918 |
| 1980 | 3.21315 |
| 1979 | 3.20372 |
| 1978 | 3.1343 |
| 1977 | 3.04599 |
| 1976 | 2.96722 |
| 1975 | 2.90996 |
| 1974 | 2.85391 |
| 1973 | 2.79566 |
| 1972 | 2.75377 |
| 1971 | 2.72928 |
| 1970 | 2.73673 |
| 1969 | 2.78629 |
| 1968 | 2.84223 |
| 1967 | 2.88987 |
| 1966 | 2.90945 |
| 1965 | 2.88947 |
| 1964 | 2.83571 |
| 1963 | 2.76306 |
| 1962 | 2.69874 |
| 1961 | 2.68219 |
| 1960 | 2.8822 |