| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 4.78381 |
| 2021 | 4.64707 |
| 2020 | 4.65373 |
| 2019 | 4.80547 |
| 2018 | 5.02506 |
| 2017 | 5.27633 |
| 2016 | 5.53397 |
| 2015 | 5.72419 |
| 2014 | 5.80846 |
| 2013 | 5.82062 |
| 2012 | 5.73409 |
| 2011 | 5.50084 |
| 2010 | 5.33838 |
| 2009 | 5.35666 |
| 2008 | 5.37905 |
| 2007 | 5.3989 |
| 2006 | 5.49481 |
| 2005 | 5.67573 |
| 2004 | 5.87076 |
| 2003 | 6.01726 |
| 2002 | 6.02441 |
| 2001 | 5.8064 |
| 2000 | 5.37819 |
| 1999 | 5.1207 |
| 1998 | 5.23253 |
| 1997 | 5.50464 |
| 1996 | 5.91198 |
| 1995 | 6.41304 |
| 1994 | 6.95435 |
| 1993 | 7.48364 |
| 1992 | 7.90736 |
| 1991 | 8.1064 |
| 1990 | 8.03537 |
| 1989 | 8.03991 |
| 1988 | 8.35068 |
| 1987 | 8.74686 |
| 1986 | 9.11927 |
| 1985 | 9.48601 |
| 1984 | 9.80285 |
| 1983 | 10.0068 |
| 1982 | 10.079 |
| 1981 | 10.0091 |
| 1980 | 9.78962 |
| 1979 | 9.7125 |
| 1978 | 9.93222 |
| 1977 | 10.1463 |
| 1976 | 10.3143 |
| 1975 | 10.4527 |
| 1974 | 10.4728 |
| 1973 | 10.3997 |
| 1972 | 10.3403 |
| 1971 | 10.2605 |
| 1970 | 10.0477 |
| 1969 | 9.70334 |
| 1968 | 9.27564 |
| 1967 | 8.8774 |
| 1966 | 8.56481 |
| 1965 | 8.27415 |
| 1964 | 8.05671 |
| 1963 | 8.00519 |
| 1962 | 8.01784 |
| 1961 | 8.04584 |
| 1960 | 8.19198 |