| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 5.65058 |
| 2021 | 5.59771 |
| 2020 | 5.50228 |
| 2019 | 5.39132 |
| 2018 | 5.25187 |
| 2017 | 5.13864 |
| 2016 | 5.09586 |
| 2015 | 5.15014 |
| 2014 | 5.2993 |
| 2013 | 5.49773 |
| 2012 | 5.68647 |
| 2011 | 5.80191 |
| 2010 | 5.79926 |
| 2009 | 5.75808 |
| 2008 | 5.79449 |
| 2007 | 5.88619 |
| 2006 | 5.98057 |
| 2005 | 6.07277 |
| 2004 | 6.13059 |
| 2003 | 6.12604 |
| 2002 | 6.07946 |
| 2001 | 6.00962 |
| 2000 | 5.89187 |
| 1999 | 5.74615 |
| 1998 | 5.67937 |
| 1997 | 5.70512 |
| 1996 | 5.77788 |
| 1995 | 5.90062 |
| 1994 | 6.08222 |
| 1993 | 6.33074 |
| 1992 | 6.66051 |
| 1991 | 7.05584 |
| 1990 | 7.40552 |
| 1989 | 7.62279 |
| 1988 | 7.78151 |
| 1987 | 8.01023 |
| 1986 | 8.31651 |
| 1985 | 8.66842 |
| 1984 | 9.04417 |
| 1983 | 9.41232 |
| 1982 | 9.73562 |
| 1981 | 9.98061 |
| 1980 | 10.0944 |
| 1979 | 10.1562 |
| 1978 | 10.2907 |
| 1977 | 10.507 |
| 1976 | 10.8204 |
| 1975 | 11.1934 |
| 1974 | 11.6548 |
| 1973 | 12.1399 |
| 1972 | 12.4471 |
| 1971 | 12.5843 |
| 1970 | 12.5496 |
| 1969 | 12.2785 |
| 1968 | 11.992 |
| 1967 | 11.8293 |
| 1966 | 11.6843 |
| 1965 | 11.5207 |
| 1964 | 11.2955 |
| 1963 | 10.9526 |
| 1962 | 10.586 |
| 1961 | 10.2144 |
| 1960 | 9.81279 |