| 年份 | 美属维京群岛 |
|---|---|
| 2023 | - |
| 2022 | 4.31446 |
| 2021 | 4.37373 |
| 2020 | 4.46076 |
| 2019 | 4.63371 |
| 2018 | 4.87998 |
| 2017 | 5.11633 |
| 2016 | 5.32691 |
| 2015 | 5.49606 |
| 2014 | 5.60194 |
| 2013 | 5.65043 |
| 2012 | 5.67463 |
| 2011 | 5.70337 |
| 2010 | 5.76126 |
| 2009 | 5.90306 |
| 2008 | 6.10622 |
| 2007 | 6.2724 |
| 2006 | 6.33498 |
| 2005 | 6.24291 |
| 2004 | 6.06803 |
| 2003 | 5.85988 |
| 2002 | 5.6359 |
| 2001 | 5.4791 |
| 2000 | 5.48257 |
| 1999 | 5.56598 |
| 1998 | 5.57259 |
| 1997 | 5.49126 |
| 1996 | 5.30114 |
| 1995 | 5.04921 |
| 1994 | 5.08853 |
| 1993 | 5.48998 |
| 1992 | 5.93066 |
| 1991 | 6.4536 |
| 1990 | 7.07794 |
| 1989 | 7.73383 |
| 1988 | 8.40547 |
| 1987 | 8.91877 |
| 1986 | 9.04732 |
| 1985 | 8.78612 |
| 1984 | 8.37448 |
| 1983 | 7.89542 |
| 1982 | 7.43392 |
| 1981 | 7.2476 |
| 1980 | 7.27777 |
| 1979 | 7.32469 |
| 1978 | 7.39419 |
| 1977 | 7.45199 |
| 1976 | 7.45479 |
| 1975 | 7.45738 |
| 1974 | 7.58694 |
| 1973 | 7.89129 |
| 1972 | 8.31576 |
| 1971 | 8.8316 |
| 1970 | 9.37633 |
| 1969 | 9.56299 |
| 1968 | 9.28767 |
| 1967 | 8.83215 |
| 1966 | 8.2519 |
| 1965 | 7.62007 |
| 1964 | 7.27974 |
| 1963 | 7.23947 |
| 1962 | 7.16591 |
| 1961 | 7.08052 |
| 1960 | 6.83142 |