| 年份 | 英屬維爾京群島 |
|---|---|
| 2023 | - |
| 2022 | 3.50316 |
| 2021 | 3.51779 |
| 2020 | 3.61961 |
| 2019 | 3.81055 |
| 2018 | 4.00549 |
| 2017 | 4.17905 |
| 2016 | 4.37641 |
| 2015 | 4.51452 |
| 2014 | 4.71453 |
| 2013 | 5.24896 |
| 2012 | 5.93203 |
| 2011 | 6.45456 |
| 2010 | 6.92118 |
| 2009 | 7.21499 |
| 2008 | 7.14935 |
| 2007 | 6.97216 |
| 2006 | 6.88269 |
| 2005 | 6.96008 |
| 2004 | 7.19195 |
| 2003 | 7.53987 |
| 2002 | 8.04829 |
| 2001 | 8.59115 |
| 2000 | 8.85798 |
| 1999 | 8.88236 |
| 1998 | 8.87188 |
| 1997 | 8.81637 |
| 1996 | 8.80567 |
| 1995 | 9.00157 |
| 1994 | 9.33444 |
| 1993 | 9.64677 |
| 1992 | 9.94644 |
| 1991 | 10.1493 |
| 1990 | 10.0665 |
| 1989 | 9.89093 |
| 1988 | 9.88864 |
| 1987 | 10.0204 |
| 1986 | 10.2387 |
| 1985 | 10.5247 |
| 1984 | 10.8311 |
| 1983 | 11.049 |
| 1982 | 11.235 |
| 1981 | 11.4695 |
| 1980 | 11.7331 |
| 1979 | 11.9468 |
| 1978 | 12.0981 |
| 1977 | 12.192 |
| 1976 | 12.2278 |
| 1975 | 12.9268 |
| 1974 | 15.2789 |
| 1973 | 18.8182 |
| 1972 | 22.5525 |
| 1971 | 26.2442 |
| 1970 | 27.8468 |
| 1969 | 25.4263 |
| 1968 | 21.263 |
| 1967 | 17.9601 |
| 1966 | 15.6691 |
| 1965 | 14.4924 |
| 1964 | 14.3152 |
| 1963 | 14.8124 |
| 1962 | 15.684 |
| 1961 | 16.7322 |
| 1960 | 17.4782 |