| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 4.89768 |
| 2021 | 5.24779 |
| 2020 | 5.65028 |
| 2019 | 6.06259 |
| 2018 | 6.40626 |
| 2017 | 6.64938 |
| 2016 | 6.76962 |
| 2015 | 6.74544 |
| 2014 | 6.59283 |
| 2013 | 6.31443 |
| 2012 | 5.97468 |
| 2011 | 5.72815 |
| 2010 | 5.85475 |
| 2009 | 6.3214 |
| 2008 | 6.8552 |
| 2007 | 7.35964 |
| 2006 | 7.68852 |
| 2005 | 7.7615 |
| 2004 | 7.62716 |
| 2003 | 7.33444 |
| 2002 | 6.92741 |
| 2001 | 6.53783 |
| 2000 | 6.34193 |
| 1999 | 6.63813 |
| 1998 | 7.42315 |
| 1997 | 8.36322 |
| 1996 | 9.23969 |
| 1995 | 9.87906 |
| 1994 | 10.2122 |
| 1993 | 10.2465 |
| 1992 | 10.0027 |
| 1991 | 9.57684 |
| 1990 | 9.16091 |
| 1989 | 9.11819 |
| 1988 | 9.50837 |
| 1987 | 9.96252 |
| 1986 | 10.3094 |
| 1985 | 10.5573 |
| 1984 | 10.6759 |
| 1983 | 10.588 |
| 1982 | 10.3181 |
| 1981 | 10.0142 |
| 1980 | 9.68056 |
| 1979 | 9.45389 |
| 1978 | 9.43712 |
| 1977 | 9.47477 |
| 1976 | 9.44765 |
| 1975 | 9.32686 |
| 1974 | 9.08017 |
| 1973 | 8.55856 |
| 1972 | 7.89387 |
| 1971 | 7.27383 |
| 1970 | 6.78614 |
| 1969 | 6.54214 |
| 1968 | 6.51758 |
| 1967 | 6.56009 |
| 1966 | 6.64944 |
| 1965 | 6.77485 |
| 1964 | 6.97217 |
| 1963 | 7.31527 |
| 1962 | 7.64187 |
| 1961 | 7.87083 |
| 1960 | 8.03383 |