| 年份 | 英屬維爾京群島 |
|---|---|
| 2023 | - |
| 2022 | 8.33615 |
| 2021 | 8.18444 |
| 2020 | 8.02623 |
| 2019 | 7.82963 |
| 2018 | 7.68838 |
| 2017 | 7.64113 |
| 2016 | 7.60475 |
| 2015 | 7.53859 |
| 2014 | 7.44613 |
| 2013 | 7.27409 |
| 2012 | 7.01089 |
| 2011 | 6.76359 |
| 2010 | 6.48548 |
| 2009 | 6.27803 |
| 2008 | 6.17943 |
| 2007 | 6.00994 |
| 2006 | 5.80804 |
| 2005 | 5.6508 |
| 2004 | 5.50259 |
| 2003 | 5.3922 |
| 2002 | 5.35115 |
| 2001 | 5.23415 |
| 2000 | 5.00179 |
| 1999 | 4.77715 |
| 1998 | 4.5653 |
| 1997 | 4.34181 |
| 1996 | 4.09078 |
| 1995 | 3.84951 |
| 1994 | 3.59567 |
| 1993 | 3.35566 |
| 1992 | 3.18261 |
| 1991 | 3.05563 |
| 1990 | 2.99362 |
| 1989 | 2.9107 |
| 1988 | 2.76995 |
| 1987 | 2.709 |
| 1986 | 2.74034 |
| 1985 | 2.7168 |
| 1984 | 2.66549 |
| 1983 | 2.71014 |
| 1982 | 2.72232 |
| 1981 | 2.76882 |
| 1980 | 2.92864 |
| 1979 | 3.06743 |
| 1978 | 3.21522 |
| 1977 | 3.39649 |
| 1976 | 3.50649 |
| 1975 | 3.55691 |
| 1974 | 3.54339 |
| 1973 | 3.42149 |
| 1972 | 3.20656 |
| 1971 | 2.88244 |
| 1970 | 2.53052 |
| 1969 | 2.38262 |
| 1968 | 2.4157 |
| 1967 | 2.48989 |
| 1966 | 2.5944 |
| 1965 | 2.69956 |
| 1964 | 2.81399 |
| 1963 | 2.94193 |
| 1962 | 3.0245 |
| 1961 | 3.04221 |
| 1960 | 3.03529 |