| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 2.21379 |
| 2021 | 2.17164 |
| 2020 | 2.10368 |
| 2019 | 2.02193 |
| 2018 | 1.93554 |
| 2017 | 1.81824 |
| 2016 | 1.69489 |
| 2015 | 1.58642 |
| 2014 | 1.46886 |
| 2013 | 1.37572 |
| 2012 | 1.32814 |
| 2011 | 1.29133 |
| 2010 | 1.30054 |
| 2009 | 1.35597 |
| 2008 | 1.40461 |
| 2007 | 1.41701 |
| 2006 | 1.38579 |
| 2005 | 1.35384 |
| 2004 | 1.31482 |
| 2003 | 1.2752 |
| 2002 | 1.25898 |
| 2001 | 1.2614 |
| 2000 | 1.28676 |
| 1999 | 1.32542 |
| 1998 | 1.34882 |
| 1997 | 1.35182 |
| 1996 | 1.36774 |
| 1995 | 1.3882 |
| 1994 | 1.40708 |
| 1993 | 1.46485 |
| 1992 | 1.53458 |
| 1991 | 1.57956 |
| 1990 | 1.5883 |
| 1989 | 1.56627 |
| 1988 | 1.52062 |
| 1987 | 1.47325 |
| 1986 | 1.43119 |
| 1985 | 1.39135 |
| 1984 | 1.36761 |
| 1983 | 1.35579 |
| 1982 | 1.34096 |
| 1981 | 1.34025 |
| 1980 | 1.40449 |
| 1979 | 1.48125 |
| 1978 | 1.53806 |
| 1977 | 1.58557 |
| 1976 | 1.58956 |
| 1975 | 1.54882 |
| 1974 | 1.4736 |
| 1973 | 1.37386 |
| 1972 | 1.28702 |
| 1971 | 1.2931 |
| 1970 | 1.41978 |
| 1969 | 1.56572 |
| 1968 | 1.64245 |
| 1967 | 1.6268 |
| 1966 | 1.54321 |
| 1965 | 1.4429 |
| 1964 | 1.3716 |
| 1963 | 1.37939 |
| 1962 | 1.44683 |
| 1961 | 1.55249 |
| 1960 | 1.67106 |