| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 9.55886 |
| 2021 | 9.5219 |
| 2020 | 9.49655 |
| 2019 | 9.49192 |
| 2018 | 9.54197 |
| 2017 | 9.68476 |
| 2016 | 9.91802 |
| 2015 | 10.1915 |
| 2014 | 10.4354 |
| 2013 | 10.6082 |
| 2012 | 10.6622 |
| 2011 | 10.5735 |
| 2010 | 10.3714 |
| 2009 | 10.2 |
| 2008 | 10.159 |
| 2007 | 10.1678 |
| 2006 | 10.1906 |
| 2005 | 10.2255 |
| 2004 | 10.179 |
| 2003 | 10.0054 |
| 2002 | 9.79065 |
| 2001 | 9.58881 |
| 2000 | 9.40766 |
| 1999 | 9.20368 |
| 1998 | 8.97739 |
| 1997 | 8.80194 |
| 1996 | 8.65396 |
| 1995 | 8.50198 |
| 1994 | 8.28671 |
| 1993 | 7.91212 |
| 1992 | 7.45154 |
| 1991 | 7.03355 |
| 1990 | 6.66969 |
| 1989 | 6.36575 |
| 1988 | 6.15151 |
| 1987 | 5.94599 |
| 1986 | 5.69696 |
| 1985 | 5.47674 |
| 1984 | 5.34274 |
| 1983 | 5.34408 |
| 1982 | 5.39975 |
| 1981 | 5.4832 |
| 1980 | 5.61026 |
| 1979 | 5.66398 |
| 1978 | 5.63502 |
| 1977 | 5.57415 |
| 1976 | 5.48313 |
| 1975 | 5.41605 |
| 1974 | 5.41119 |
| 1973 | 5.38211 |
| 1972 | 5.31445 |
| 1971 | 5.25861 |
| 1970 | 5.20331 |
| 1969 | 5.12484 |
| 1968 | 5.04587 |
| 1967 | 5.01998 |
| 1966 | 5.05914 |
| 1965 | 5.13185 |
| 1964 | 5.18258 |
| 1963 | 5.19658 |
| 1962 | 5.21281 |
| 1961 | 5.26546 |
| 1960 | 5.32992 |