| 年份 | 英屬維爾京群島 |
|---|---|
| 2023 | - |
| 2022 | 1.77313 |
| 2021 | 1.62264 |
| 2020 | 1.50531 |
| 2019 | 1.39657 |
| 2018 | 1.32239 |
| 2017 | 1.2563 |
| 2016 | 1.1677 |
| 2015 | 1.09544 |
| 2014 | 1.0117 |
| 2013 | 0.898163 |
| 2012 | 0.834138 |
| 2011 | 0.846327 |
| 2010 | 0.857112 |
| 2009 | 0.871341 |
| 2008 | 0.913086 |
| 2007 | 0.930673 |
| 2006 | 0.918786 |
| 2005 | 0.925452 |
| 2004 | 0.948876 |
| 2003 | 0.963222 |
| 2002 | 0.982083 |
| 2001 | 1.00809 |
| 2000 | 1.03309 |
| 1999 | 1.03418 |
| 1998 | 1.04026 |
| 1997 | 1.04535 |
| 1996 | 1.0156 |
| 1995 | 0.976915 |
| 1994 | 0.970354 |
| 1993 | 0.962241 |
| 1992 | 0.952915 |
| 1991 | 0.976014 |
| 1990 | 0.980328 |
| 1989 | 0.961145 |
| 1988 | 0.94446 |
| 1987 | 0.924847 |
| 1986 | 0.90341 |
| 1985 | 0.89522 |
| 1984 | 0.934128 |
| 1983 | 0.992328 |
| 1982 | 1.01979 |
| 1981 | 1.03047 |
| 1980 | 1.00093 |
| 1979 | 0.940171 |
| 1978 | 0.849667 |
| 1977 | 0.706783 |
| 1976 | 0.549451 |
| 1975 | 0.477642 |
| 1974 | 0.485537 |
| 1973 | 0.524769 |
| 1972 | 0.564611 |
| 1971 | 0.626147 |
| 1970 | 0.710322 |
| 1969 | 0.864284 |
| 1968 | 1.06683 |
| 1967 | 1.18807 |
| 1966 | 1.2073 |
| 1965 | 1.18832 |
| 1964 | 1.18756 |
| 1963 | 1.18191 |
| 1962 | 1.18683 |
| 1961 | 1.24224 |
| 1960 | 1.2647 |