| 年份 | 美属维京群岛 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 76.8 |
| 2020 | 76.6 |
| 2019 | 76.4 |
| 2018 | 76.3 |
| 2017 | 76.1 |
| 2016 | 75.9 |
| 2015 | 75.7 |
| 2014 | 75.6 |
| 2013 | 75.4 |
| 2012 | 75.2 |
| 2011 | 75 |
| 2010 | 74.5 |
| 2009 | 74.1 |
| 2008 | 73.7 |
| 2007 | 73.4 |
| 2006 | 75.3 |
| 2005 | 74.3 |
| 2004 | 74.7 |
| 2003 | 74.4 |
| 2002 | 74.4 |
| 2001 | 74.5 |
| 2000 | 73.4 |
| 1999 | 68.511 |
| 1998 | 68.639 |
| 1997 | 68.395 |
| 1996 | 68.88 |
| 1995 | 68.609 |
| 1994 | 68.6 |
| 1993 | 68.466 |
| 1992 | 68.302 |
| 1991 | 68.103 |
| 1990 | 67.949 |
| 1989 | 67.701 |
| 1988 | 67.454 |
| 1987 | 66.874 |
| 1986 | 66.7 |
| 1985 | 66.475 |
| 1984 | 66.251 |
| 1983 | 66.067 |
| 1982 | 65.823 |
| 1981 | 65.236 |
| 1980 | 65.095 |
| 1979 | 64.949 |
| 1978 | 64.794 |
| 1977 | 64.635 |
| 1976 | 64.433 |
| 1975 | 64.22 |
| 1974 | 64.031 |
| 1973 | 63.81 |
| 1972 | 63.225 |
| 1971 | 62.632 |
| 1970 | 62.586 |
| 1969 | 62.587 |
| 1968 | 62.504 |
| 1967 | 61.882 |
| 1966 | 61.789 |
| 1965 | 61.693 |
| 1964 | 61.561 |
| 1963 | 60.863 |
| 1962 | 60.962 |
| 1961 | 60.906 |
| 1960 | 60.605 |