| 年份 | 海峡群岛 |
|---|---|
| 2023 | - |
| 2022 | 7.09033 |
| 2021 | 7.01918 |
| 2020 | 6.90147 |
| 2019 | 6.77746 |
| 2018 | 6.69513 |
| 2017 | 6.74327 |
| 2016 | 6.95556 |
| 2015 | 7.23021 |
| 2014 | 7.52101 |
| 2013 | 7.81409 |
| 2012 | 8.05869 |
| 2011 | 8.25286 |
| 2010 | 8.36707 |
| 2009 | 8.39471 |
| 2008 | 8.43035 |
| 2007 | 8.45456 |
| 2006 | 8.3722 |
| 2005 | 8.2449 |
| 2004 | 8.13317 |
| 2003 | 8.01507 |
| 2002 | 7.89463 |
| 2001 | 7.77241 |
| 2000 | 7.61429 |
| 1999 | 7.42094 |
| 1998 | 7.23184 |
| 1997 | 7.09207 |
| 1996 | 7.00996 |
| 1995 | 6.97868 |
| 1994 | 7.03755 |
| 1993 | 7.16813 |
| 1992 | 7.33673 |
| 1991 | 7.49094 |
| 1990 | 7.46013 |
| 1989 | 7.25658 |
| 1988 | 6.97888 |
| 1987 | 6.59829 |
| 1986 | 6.15503 |
| 1985 | 5.88214 |
| 1984 | 5.80053 |
| 1983 | 5.78779 |
| 1982 | 5.85829 |
| 1981 | 5.97204 |
| 1980 | 5.99523 |
| 1979 | 5.92005 |
| 1978 | 5.81589 |
| 1977 | 5.6874 |
| 1976 | 5.56436 |
| 1975 | 5.48984 |
| 1974 | 5.48242 |
| 1973 | 5.53876 |
| 1972 | 5.64554 |
| 1971 | 5.76321 |
| 1970 | 5.84205 |
| 1969 | 5.8765 |
| 1968 | 5.92745 |
| 1967 | 6.05267 |
| 1966 | 6.23862 |
| 1965 | 6.41565 |
| 1964 | 6.51042 |
| 1963 | 6.49642 |
| 1962 | 6.3862 |
| 1961 | 6.21164 |
| 1960 | 6.11641 |