| 年份 | 开曼群岛  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 8.38952 | 
| 2021 | 8.27998 | 
| 2020 | 8.13305 | 
| 2019 | 7.9835 | 
| 2018 | 7.86639 | 
| 2017 | 7.76235 | 
| 2016 | 7.68461 | 
| 2015 | 7.67 | 
| 2014 | 7.63974 | 
| 2013 | 7.50687 | 
| 2012 | 7.31622 | 
| 2011 | 7.11408 | 
| 2010 | 6.85926 | 
| 2009 | 6.60368 | 
| 2008 | 6.42965 | 
| 2007 | 6.29888 | 
| 2006 | 6.17213 | 
| 2005 | 6.06816 | 
| 2004 | 5.96368 | 
| 2003 | 5.79118 | 
| 2002 | 5.6036 | 
| 2001 | 5.43621 | 
| 2000 | 5.23996 | 
| 1999 | 4.95681 | 
| 1998 | 4.63349 | 
| 1997 | 4.35958 | 
| 1996 | 4.13173 | 
| 1995 | 3.96958 | 
| 1994 | 3.88547 | 
| 1993 | 3.90048 | 
| 1992 | 3.96891 | 
| 1991 | 4.07716 | 
| 1990 | 4.17846 | 
| 1989 | 4.14248 | 
| 1988 | 4.04219 | 
| 1987 | 4.02504 | 
| 1986 | 4.05914 | 
| 1985 | 4.09028 | 
| 1984 | 4.16667 | 
| 1983 | 4.25724 | 
| 1982 | 4.3062 | 
| 1981 | 4.3395 | 
| 1980 | 4.37944 | 
| 1979 | 4.3211 | 
| 1978 | 4.14886 | 
| 1977 | 4.0551 | 
| 1976 | 4.01828 | 
| 1975 | 3.96005 | 
| 1974 | 3.92736 | 
| 1973 | 3.91426 | 
| 1972 | 3.93056 | 
| 1971 | 4.0045 | 
| 1970 | 4.08442 | 
| 1969 | 4.14868 | 
| 1968 | 4.23356 | 
| 1967 | 4.32791 | 
| 1966 | 4.4429 | 
| 1965 | 4.58418 | 
| 1964 | 4.71708 | 
| 1963 | 4.79604 | 
| 1962 | 4.80439 | 
| 1961 | 4.72906 | 
| 1960 | 4.59553 |