| 年份 | 英屬維爾京群島 |
|---|---|
| 2023 | - |
| 2022 | -0.22041 |
| 2021 | -0.106881 |
| 2020 | 0.201283 |
| 2019 | 0.151229 |
| 2018 | 0.176723 |
| 2017 | 0.354386 |
| 2016 | 0.559442 |
| 2015 | 0.665219 |
| 2014 | 0.424465 |
| 2013 | 0.174166 |
| 2012 | 0.992709 |
| 2011 | 0.844716 |
| 2010 | 1.27061 |
| 2009 | 2.90561 |
| 2008 | 3.0279 |
| 2007 | 2.95489 |
| 2006 | 2.90989 |
| 2005 | 2.85821 |
| 2004 | 2.76775 |
| 2003 | 2.70797 |
| 2002 | 2.52405 |
| 2001 | 2.23855 |
| 2000 | 2.14134 |
| 1999 | 2.16144 |
| 1998 | 2.12716 |
| 1997 | 2.10825 |
| 1996 | 2.03964 |
| 1995 | 1.94646 |
| 1994 | 1.88639 |
| 1993 | 1.83217 |
| 1992 | 1.92782 |
| 1991 | 0.503262 |
| 1990 | 0.744113 |
| 1989 | 0.801962 |
| 1988 | 0.871717 |
| 1987 | 0.99651 |
| 1986 | 1.1681 |
| 1985 | 1.35658 |
| 1984 | 1.49717 |
| 1983 | 1.62132 |
| 1982 | 1.78566 |
| 1981 | 1.51474 |
| 1980 | 1.16015 |
| 1979 | 0.543672 |
| 1978 | 0.59432 |
| 1977 | 0.645858 |
| 1976 | 0.650056 |
| 1975 | 0.593545 |
| 1974 | 0.56043 |
| 1973 | 0.416259 |
| 1972 | 0.282573 |
| 1971 | 1.74997 |
| 1970 | 4.36326 |
| 1969 | 4.69935 |
| 1968 | 3.11873 |
| 1967 | 1.87001 |
| 1966 | 0.984659 |
| 1965 | 0.349855 |
| 1964 | -0.102167 |
| 1963 | -0.262238 |
| 1962 | -0.247039 |
| 1961 | - |
| 1960 | - |