| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 7.41663 |
| 2021 | 7.52715 |
| 2020 | 7.6282 |
| 2019 | 7.76104 |
| 2018 | 7.92928 |
| 2017 | 8.06006 |
| 2016 | 8.06792 |
| 2015 | 7.96053 |
| 2014 | 7.78808 |
| 2013 | 7.60027 |
| 2012 | 7.44495 |
| 2011 | 7.2968 |
| 2010 | 7.15439 |
| 2009 | 7.02993 |
| 2008 | 6.91322 |
| 2007 | 6.78401 |
| 2006 | 6.7104 |
| 2005 | 6.72182 |
| 2004 | 6.77732 |
| 2003 | 6.89906 |
| 2002 | 7.13332 |
| 2001 | 7.36854 |
| 2000 | 7.39694 |
| 1999 | 7.22782 |
| 1998 | 6.93279 |
| 1997 | 6.51456 |
| 1996 | 6.08906 |
| 1995 | 5.81863 |
| 1994 | 5.74764 |
| 1993 | 5.80774 |
| 1992 | 5.9114 |
| 1991 | 6.02169 |
| 1990 | 6.07266 |
| 1989 | 6.05292 |
| 1988 | 6.01919 |
| 1987 | 5.95734 |
| 1986 | 5.85158 |
| 1985 | 5.75067 |
| 1984 | 5.68967 |
| 1983 | 5.63689 |
| 1982 | 5.61434 |
| 1981 | 5.64656 |
| 1980 | 5.67792 |
| 1979 | 5.73207 |
| 1978 | 5.84759 |
| 1977 | 5.94061 |
| 1976 | 5.93944 |
| 1975 | 5.84444 |
| 1974 | 5.70034 |
| 1973 | 5.56731 |
| 1972 | 5.48725 |
| 1971 | 5.46365 |
| 1970 | 5.45946 |
| 1969 | 5.5471 |
| 1968 | 5.79397 |
| 1967 | 6.12885 |
| 1966 | 6.4785 |
| 1965 | 6.77206 |
| 1964 | 6.97484 |
| 1963 | 7.10446 |
| 1962 | 7.17429 |
| 1961 | 7.17966 |
| 1960 | 7.1082 |