| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 9.7479 |
| 2021 | 9.79853 |
| 2020 | 9.85254 |
| 2019 | 9.90687 |
| 2018 | 9.99341 |
| 2017 | 10.102 |
| 2016 | 10.2173 |
| 2015 | 10.3542 |
| 2014 | 10.5232 |
| 2013 | 10.7069 |
| 2012 | 10.8861 |
| 2011 | 10.9836 |
| 2010 | 10.8802 |
| 2009 | 10.6672 |
| 2008 | 10.4989 |
| 2007 | 10.3493 |
| 2006 | 10.2073 |
| 2005 | 10.0605 |
| 2004 | 9.88912 |
| 2003 | 9.69474 |
| 2002 | 9.46146 |
| 2001 | 9.24118 |
| 2000 | 9.08437 |
| 1999 | 8.88936 |
| 1998 | 8.61974 |
| 1997 | 8.3973 |
| 1996 | 8.2273 |
| 1995 | 8.1118 |
| 1994 | 8.05019 |
| 1993 | 7.95836 |
| 1992 | 7.80079 |
| 1991 | 7.55504 |
| 1990 | 7.22557 |
| 1989 | 6.8785 |
| 1988 | 6.60069 |
| 1987 | 6.39584 |
| 1986 | 6.20183 |
| 1985 | 6.00526 |
| 1984 | 5.86474 |
| 1983 | 5.85076 |
| 1982 | 6.00164 |
| 1981 | 6.25071 |
| 1980 | 6.52642 |
| 1979 | 6.575 |
| 1978 | 6.32169 |
| 1977 | 5.96802 |
| 1976 | 5.60268 |
| 1975 | 5.26749 |
| 1974 | 4.97242 |
| 1973 | 4.80433 |
| 1972 | 4.7426 |
| 1971 | 4.7039 |
| 1970 | 4.70612 |
| 1969 | 4.71776 |
| 1968 | 4.64308 |
| 1967 | 4.53566 |
| 1966 | 4.55247 |
| 1965 | 4.65562 |
| 1964 | 4.76026 |
| 1963 | 4.88092 |
| 1962 | 5.00362 |
| 1961 | 5.07639 |
| 1960 | 5.07601 |