| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 3.38597 |
| 2021 | 3.42681 |
| 2020 | 3.47628 |
| 2019 | 3.5178 |
| 2018 | 3.56514 |
| 2017 | 3.57677 |
| 2016 | 3.50655 |
| 2015 | 3.40205 |
| 2014 | 3.31557 |
| 2013 | 3.25616 |
| 2012 | 3.21754 |
| 2011 | 3.17528 |
| 2010 | 3.11454 |
| 2009 | 3.03008 |
| 2008 | 2.95723 |
| 2007 | 2.90085 |
| 2006 | 2.83168 |
| 2005 | 2.74996 |
| 2004 | 2.67069 |
| 2003 | 2.61409 |
| 2002 | 2.57244 |
| 2001 | 2.53499 |
| 2000 | 2.49286 |
| 1999 | 2.46228 |
| 1998 | 2.46934 |
| 1997 | 2.49351 |
| 1996 | 2.52653 |
| 1995 | 2.54033 |
| 1994 | 2.53083 |
| 1993 | 2.50557 |
| 1992 | 2.43488 |
| 1991 | 2.36945 |
| 1990 | 2.33122 |
| 1989 | 2.26919 |
| 1988 | 2.17813 |
| 1987 | 2.09499 |
| 1986 | 2.04579 |
| 1985 | 1.98781 |
| 1984 | 1.91722 |
| 1983 | 1.85729 |
| 1982 | 1.80518 |
| 1981 | 1.76678 |
| 1980 | 1.73731 |
| 1979 | 1.70185 |
| 1978 | 1.65427 |
| 1977 | 1.61108 |
| 1976 | 1.58277 |
| 1975 | 1.57379 |
| 1974 | 1.5875 |
| 1973 | 1.60997 |
| 1972 | 1.62669 |
| 1971 | 1.63665 |
| 1970 | 1.65565 |
| 1969 | 1.68357 |
| 1968 | 1.69552 |
| 1967 | 1.69675 |
| 1966 | 1.71072 |
| 1965 | 1.73189 |
| 1964 | 1.74598 |
| 1963 | 1.74304 |
| 1962 | 1.73438 |
| 1961 | 1.73626 |
| 1960 | 1.75445 |