| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 5.72626 |
| 2021 | 5.74762 |
| 2020 | 5.71657 |
| 2019 | 5.61759 |
| 2018 | 5.47278 |
| 2017 | 5.41566 |
| 2016 | 5.54778 |
| 2015 | 5.69605 |
| 2014 | 5.78403 |
| 2013 | 5.88025 |
| 2012 | 5.96974 |
| 2011 | 6.07031 |
| 2010 | 6.17959 |
| 2009 | 6.26896 |
| 2008 | 6.33304 |
| 2007 | 6.35232 |
| 2006 | 6.29981 |
| 2005 | 6.21564 |
| 2004 | 6.12836 |
| 2003 | 6.02169 |
| 2002 | 5.92193 |
| 2001 | 5.86816 |
| 2000 | 5.85692 |
| 1999 | 5.83802 |
| 1998 | 5.768 |
| 1997 | 5.6423 |
| 1996 | 5.53228 |
| 1995 | 5.51981 |
| 1994 | 5.56651 |
| 1993 | 5.67667 |
| 1992 | 5.86326 |
| 1991 | 6.1256 |
| 1990 | 6.4558 |
| 1989 | 6.77632 |
| 1988 | 7.09472 |
| 1987 | 7.35299 |
| 1986 | 7.45333 |
| 1985 | 7.61269 |
| 1984 | 7.93257 |
| 1983 | 8.19759 |
| 1982 | 8.3181 |
| 1981 | 8.29915 |
| 1980 | 8.21893 |
| 1979 | 8.10102 |
| 1978 | 7.941 |
| 1977 | 7.76618 |
| 1976 | 7.58327 |
| 1975 | 7.39614 |
| 1974 | 7.18985 |
| 1973 | 6.94586 |
| 1972 | 6.64643 |
| 1971 | 6.44276 |
| 1970 | 6.62855 |
| 1969 | 7.11195 |
| 1968 | 7.64331 |
| 1967 | 8.12259 |
| 1966 | 8.3714 |
| 1965 | 8.29634 |
| 1964 | 7.93736 |
| 1963 | 7.3939 |
| 1962 | 6.79269 |
| 1961 | 6.33124 |
| 1960 | 6.23383 |