| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 5.18186 |
| 2021 | 5.27938 |
| 2020 | 5.3859 |
| 2019 | 5.5145 |
| 2018 | 5.69782 |
| 2017 | 5.93509 |
| 2016 | 6.21672 |
| 2015 | 6.49614 |
| 2014 | 6.74304 |
| 2013 | 6.95418 |
| 2012 | 7.08868 |
| 2011 | 7.11138 |
| 2010 | 7.10354 |
| 2009 | 7.08716 |
| 2008 | 7.01314 |
| 2007 | 6.97086 |
| 2006 | 7.02359 |
| 2005 | 7.14456 |
| 2004 | 7.24829 |
| 2003 | 7.28321 |
| 2002 | 7.2786 |
| 2001 | 7.26606 |
| 2000 | 7.26852 |
| 1999 | 7.43885 |
| 1998 | 7.76742 |
| 1997 | 8.05075 |
| 1996 | 8.26008 |
| 1995 | 8.40373 |
| 1994 | 8.44248 |
| 1993 | 8.38222 |
| 1992 | 8.291 |
| 1991 | 8.21816 |
| 1990 | 8.19576 |
| 1989 | 8.32209 |
| 1988 | 8.56306 |
| 1987 | 8.75568 |
| 1986 | 8.86697 |
| 1985 | 8.92661 |
| 1984 | 8.92937 |
| 1983 | 8.90129 |
| 1982 | 8.92886 |
| 1981 | 9.02817 |
| 1980 | 9.21587 |
| 1979 | 9.69375 |
| 1978 | 10.408 |
| 1977 | 11.099 |
| 1976 | 11.7685 |
| 1975 | 12.3906 |
| 1974 | 12.892 |
| 1973 | 13.3555 |
| 1972 | 13.8487 |
| 1971 | 14.2897 |
| 1970 | 14.6743 |
| 1969 | 15.0803 |
| 1968 | 15.4032 |
| 1967 | 15.697 |
| 1966 | 16.0494 |
| 1965 | 16.289 |
| 1964 | 16.3555 |
| 1963 | 16.2462 |
| 1962 | 16.0116 |
| 1961 | 15.7344 |
| 1960 | 15.4919 |