| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.91932 |
| 2021 | 6.99405 |
| 2020 | 7.15886 |
| 2019 | 7.35795 |
| 2018 | 7.58989 |
| 2017 | 7.81187 |
| 2016 | 7.99142 |
| 2015 | 8.14458 |
| 2014 | 8.29115 |
| 2013 | 8.4092 |
| 2012 | 8.47413 |
| 2011 | 8.44045 |
| 2010 | 8.28547 |
| 2009 | 8.08373 |
| 2008 | 7.8961 |
| 2007 | 7.75363 |
| 2006 | 7.62395 |
| 2005 | 7.49401 |
| 2004 | 7.38027 |
| 2003 | 7.27953 |
| 2002 | 7.18088 |
| 2001 | 7.14976 |
| 2000 | 7.17329 |
| 1999 | 7.20999 |
| 1998 | 7.31269 |
| 1997 | 7.48775 |
| 1996 | 7.63977 |
| 1995 | 7.65299 |
| 1994 | 7.48118 |
| 1993 | 7.12497 |
| 1992 | 6.66054 |
| 1991 | 6.25073 |
| 1990 | 6.0874 |
| 1989 | 6.09087 |
| 1988 | 6.1448 |
| 1987 | 6.27585 |
| 1986 | 6.44311 |
| 1985 | 6.54579 |
| 1984 | 6.5231 |
| 1983 | 6.4434 |
| 1982 | 6.35661 |
| 1981 | 6.24196 |
| 1980 | 6.12523 |
| 1979 | 6.02991 |
| 1978 | 5.93445 |
| 1977 | 5.88049 |
| 1976 | 5.90362 |
| 1975 | 5.96959 |
| 1974 | 6.05851 |
| 1973 | 6.1753 |
| 1972 | 6.29684 |
| 1971 | 6.3592 |
| 1970 | 6.36269 |
| 1969 | 6.29898 |
| 1968 | 6.1581 |
| 1967 | 5.99353 |
| 1966 | 5.84931 |
| 1965 | 5.77265 |
| 1964 | 5.84782 |
| 1963 | 6.1259 |
| 1962 | 6.51601 |
| 1961 | 6.90655 |
| 1960 | 7.18622 |