| 年份 | 开曼群岛 |
|---|---|
| 2023 | - |
| 2022 | 10.8724 |
| 2021 | 10.38 |
| 2020 | 9.95971 |
| 2019 | 9.57993 |
| 2018 | 9.20264 |
| 2017 | 8.83594 |
| 2016 | 8.48372 |
| 2015 | 8.13213 |
| 2014 | 7.80497 |
| 2013 | 7.56645 |
| 2012 | 7.36711 |
| 2011 | 7.19076 |
| 2010 | 7.07484 |
| 2009 | 6.99402 |
| 2008 | 6.98553 |
| 2007 | 7.03347 |
| 2006 | 7.07722 |
| 2005 | 7.13111 |
| 2004 | 7.18436 |
| 2003 | 7.22789 |
| 2002 | 7.28947 |
| 2001 | 7.35026 |
| 2000 | 7.38431 |
| 1999 | 7.39486 |
| 1998 | 7.37985 |
| 1997 | 7.364 |
| 1996 | 7.41398 |
| 1995 | 7.52715 |
| 1994 | 7.67765 |
| 1993 | 7.85555 |
| 1992 | 8.0924 |
| 1991 | 8.38624 |
| 1990 | 8.69589 |
| 1989 | 8.91539 |
| 1988 | 8.99958 |
| 1987 | 9.02925 |
| 1986 | 9.11703 |
| 1985 | 9.27261 |
| 1984 | 9.45349 |
| 1983 | 9.6715 |
| 1982 | 9.91602 |
| 1981 | 10.1846 |
| 1980 | 10.503 |
| 1979 | 10.6145 |
| 1978 | 10.5157 |
| 1977 | 10.4537 |
| 1976 | 10.4503 |
| 1975 | 10.5978 |
| 1974 | 10.8817 |
| 1973 | 11.2444 |
| 1972 | 11.6747 |
| 1971 | 12.2105 |
| 1970 | 12.8063 |
| 1969 | 13.019 |
| 1968 | 12.7683 |
| 1967 | 12.5779 |
| 1966 | 12.4543 |
| 1965 | 12.2944 |
| 1964 | 12.1597 |
| 1963 | 12.0555 |
| 1962 | 12.104 |
| 1961 | 12.2922 |
| 1960 | 12.6036 |