| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 2.3416 |
| 2021 | 2.22894 |
| 2020 | 2.11118 |
| 2019 | 1.99549 |
| 2018 | 1.89568 |
| 2017 | 1.80068 |
| 2016 | 1.70249 |
| 2015 | 1.60684 |
| 2014 | 1.51819 |
| 2013 | 1.47079 |
| 2012 | 1.44325 |
| 2011 | 1.41279 |
| 2010 | 1.39495 |
| 2009 | 1.3851 |
| 2008 | 1.3927 |
| 2007 | 1.43491 |
| 2006 | 1.47951 |
| 2005 | 1.51387 |
| 2004 | 1.57638 |
| 2003 | 1.62414 |
| 2002 | 1.6113 |
| 2001 | 1.57818 |
| 2000 | 1.53286 |
| 1999 | 1.45834 |
| 1998 | 1.42671 |
| 1997 | 1.47343 |
| 1996 | 1.52464 |
| 1995 | 1.5567 |
| 1994 | 1.57544 |
| 1993 | 1.53992 |
| 1992 | 1.49647 |
| 1991 | 1.54824 |
| 1990 | 1.66459 |
| 1989 | 1.80863 |
| 1988 | 1.9698 |
| 1987 | 2.07428 |
| 1986 | 2.12474 |
| 1985 | 2.17411 |
| 1984 | 2.20334 |
| 1983 | 2.19874 |
| 1982 | 2.19757 |
| 1981 | 2.19985 |
| 1980 | 2.19258 |
| 1979 | 2.16055 |
| 1978 | 2.11778 |
| 1977 | 2.07261 |
| 1976 | 2.02258 |
| 1975 | 2.03981 |
| 1974 | 2.09656 |
| 1973 | 2.12799 |
| 1972 | 2.12086 |
| 1971 | 2.10171 |
| 1970 | 2.14682 |
| 1969 | 2.18697 |
| 1968 | 2.112 |
| 1967 | 2.02749 |
| 1966 | 1.97793 |
| 1965 | 1.88641 |
| 1964 | 1.85166 |
| 1963 | 1.9395 |
| 1962 | 2.04213 |
| 1961 | 2.20033 |
| 1960 | 2.42573 |