| 年份 | 英屬維爾京群島 |
|---|---|
| 2023 | - |
| 2022 | 5.80268 |
| 2021 | 6.23045 |
| 2020 | 6.59588 |
| 2019 | 6.84066 |
| 2018 | 6.8004 |
| 2017 | 6.68518 |
| 2016 | 6.68891 |
| 2015 | 6.79502 |
| 2014 | 6.94365 |
| 2013 | 7.05894 |
| 2012 | 7.11085 |
| 2011 | 7.19553 |
| 2010 | 7.21046 |
| 2009 | 7.17853 |
| 2008 | 7.2668 |
| 2007 | 7.39412 |
| 2006 | 7.56358 |
| 2005 | 7.77465 |
| 2004 | 8.05658 |
| 2003 | 8.36944 |
| 2002 | 8.62317 |
| 2001 | 8.7451 |
| 2000 | 8.70455 |
| 1999 | 8.53588 |
| 1998 | 8.37061 |
| 1997 | 8.31858 |
| 1996 | 8.31773 |
| 1995 | 8.36774 |
| 1994 | 8.49506 |
| 1993 | 8.61145 |
| 1992 | 8.62606 |
| 1991 | 8.58 |
| 1990 | 8.52688 |
| 1989 | 8.50716 |
| 1988 | 8.66225 |
| 1987 | 9.00087 |
| 1986 | 9.47075 |
| 1985 | 10.0265 |
| 1984 | 10.5895 |
| 1983 | 11.024 |
| 1982 | 11.2523 |
| 1981 | 11.2545 |
| 1980 | 11.3253 |
| 1979 | 11.8044 |
| 1978 | 12.156 |
| 1977 | 11.976 |
| 1976 | 11.5285 |
| 1975 | 10.9654 |
| 1974 | 10.4132 |
| 1973 | 10.0231 |
| 1972 | 9.89667 |
| 1971 | 9.95358 |
| 1970 | 10.2886 |
| 1969 | 11.189 |
| 1968 | 12.2011 |
| 1967 | 12.7654 |
| 1966 | 12.9977 |
| 1965 | 13.1361 |
| 1964 | 13.1664 |
| 1963 | 13.091 |
| 1962 | 13.0551 |
| 1961 | 13.0942 |
| 1960 | 13.1655 |