| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 6.26966 |
| 2021 | 6.38243 |
| 2020 | 6.38775 |
| 2019 | 6.29323 |
| 2018 | 6.09976 |
| 2017 | 5.92922 |
| 2016 | 5.90911 |
| 2015 | 5.96009 |
| 2014 | 6.02339 |
| 2013 | 6.06951 |
| 2012 | 6.09174 |
| 2011 | 6.09686 |
| 2010 | 6.04698 |
| 2009 | 5.99927 |
| 2008 | 5.98487 |
| 2007 | 5.95588 |
| 2006 | 5.96418 |
| 2005 | 6.04423 |
| 2004 | 6.11503 |
| 2003 | 6.1619 |
| 2002 | 6.23167 |
| 2001 | 6.25303 |
| 2000 | 6.17009 |
| 1999 | 6.1116 |
| 1998 | 6.17886 |
| 1997 | 6.39789 |
| 1996 | 6.78205 |
| 1995 | 7.15622 |
| 1994 | 7.49936 |
| 1993 | 7.94572 |
| 1992 | 8.49509 |
| 1991 | 9.0081 |
| 1990 | 9.23976 |
| 1989 | 9.25394 |
| 1988 | 9.19599 |
| 1987 | 9.1512 |
| 1986 | 9.13967 |
| 1985 | 8.96874 |
| 1984 | 8.69422 |
| 1983 | 8.46865 |
| 1982 | 8.30929 |
| 1981 | 8.22008 |
| 1980 | 8.07898 |
| 1979 | 7.86069 |
| 1978 | 7.71996 |
| 1977 | 7.74637 |
| 1976 | 7.89903 |
| 1975 | 7.9628 |
| 1974 | 7.94531 |
| 1973 | 7.97784 |
| 1972 | 8.09584 |
| 1971 | 8.28685 |
| 1970 | 8.27209 |
| 1969 | 7.95703 |
| 1968 | 7.51475 |
| 1967 | 6.96136 |
| 1966 | 6.39734 |
| 1965 | 6.10314 |
| 1964 | 6.07514 |
| 1963 | 6.17397 |
| 1962 | 6.38272 |
| 1961 | 6.6199 |
| 1960 | 6.71411 |