| 年份 | 英屬維爾京群島 |
|---|---|
| 2023 | - |
| 2022 | 7.14484 |
| 2021 | 7.05106 |
| 2020 | 6.95815 |
| 2019 | 6.84698 |
| 2018 | 6.67263 |
| 2017 | 6.4462 |
| 2016 | 6.19174 |
| 2015 | 5.92531 |
| 2014 | 5.71949 |
| 2013 | 5.51875 |
| 2012 | 5.24611 |
| 2011 | 4.97261 |
| 2010 | 4.73555 |
| 2009 | 4.52441 |
| 2008 | 4.41009 |
| 2007 | 4.3852 |
| 2006 | 4.32732 |
| 2005 | 4.20931 |
| 2004 | 4.08815 |
| 2003 | 3.93124 |
| 2002 | 3.74629 |
| 2001 | 3.58047 |
| 2000 | 3.4317 |
| 1999 | 3.25476 |
| 1998 | 3.0615 |
| 1997 | 2.88164 |
| 1996 | 2.71773 |
| 1995 | 2.61092 |
| 1994 | 2.48839 |
| 1993 | 2.32034 |
| 1992 | 2.23592 |
| 1991 | 2.24547 |
| 1990 | 2.22383 |
| 1989 | 2.18814 |
| 1988 | 2.21314 |
| 1987 | 2.21381 |
| 1986 | 2.28111 |
| 1985 | 2.45213 |
| 1984 | 2.59301 |
| 1983 | 2.73516 |
| 1982 | 2.91245 |
| 1981 | 3.0466 |
| 1980 | 3.13253 |
| 1979 | 3.1339 |
| 1978 | 3.07039 |
| 1977 | 2.99401 |
| 1976 | 2.81718 |
| 1975 | 2.54065 |
| 1974 | 2.30372 |
| 1973 | 2.08858 |
| 1972 | 1.88559 |
| 1971 | 1.74889 |
| 1970 | 1.70921 |
| 1969 | 1.84536 |
| 1968 | 2.13366 |
| 1967 | 2.41405 |
| 1966 | 2.5944 |
| 1965 | 2.75123 |
| 1964 | 2.86563 |
| 1963 | 2.90339 |
| 1962 | 2.88412 |
| 1961 | 2.8394 |
| 1960 | 2.78234 |