| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 3.73716 |
| 2021 | 3.83544 |
| 2020 | 4.06053 |
| 2019 | 4.36086 |
| 2018 | 4.66713 |
| 2017 | 4.97676 |
| 2016 | 5.24142 |
| 2015 | 5.42206 |
| 2014 | 5.54424 |
| 2013 | 5.58935 |
| 2012 | 5.50821 |
| 2011 | 5.30199 |
| 2010 | 5.19669 |
| 2009 | 5.28634 |
| 2008 | 5.35998 |
| 2007 | 5.40729 |
| 2006 | 5.52049 |
| 2005 | 5.70711 |
| 2004 | 5.89183 |
| 2003 | 6.01357 |
| 2002 | 6.02787 |
| 2001 | 5.85291 |
| 2000 | 5.46035 |
| 1999 | 5.21824 |
| 1998 | 5.33489 |
| 1997 | 5.55433 |
| 1996 | 5.83726 |
| 1995 | 6.24177 |
| 1994 | 6.7394 |
| 1993 | 7.30073 |
| 1992 | 7.88302 |
| 1991 | 8.32675 |
| 1990 | 8.45129 |
| 1989 | 8.4982 |
| 1988 | 8.67531 |
| 1987 | 8.80399 |
| 1986 | 8.87964 |
| 1985 | 8.97743 |
| 1984 | 9.14939 |
| 1983 | 9.36592 |
| 1982 | 9.54374 |
| 1981 | 9.6257 |
| 1980 | 9.64049 |
| 1979 | 9.70457 |
| 1978 | 9.83962 |
| 1977 | 9.92533 |
| 1976 | 9.9449 |
| 1975 | 9.90364 |
| 1974 | 9.84793 |
| 1973 | 9.85555 |
| 1972 | 9.88372 |
| 1971 | 9.73015 |
| 1970 | 9.39689 |
| 1969 | 9.03886 |
| 1968 | 8.5818 |
| 1967 | 8.10995 |
| 1966 | 7.75271 |
| 1965 | 7.50507 |
| 1964 | 7.32389 |
| 1963 | 7.22041 |
| 1962 | 7.21195 |
| 1961 | 7.31253 |
| 1960 | 7.48859 |