| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 6.73821 |
| 2021 | 6.72396 |
| 2020 | 6.66887 |
| 2019 | 6.56768 |
| 2018 | 6.44989 |
| 2017 | 6.33201 |
| 2016 | 6.20786 |
| 2015 | 6.07915 |
| 2014 | 5.96557 |
| 2013 | 5.88285 |
| 2012 | 5.81568 |
| 2011 | 5.77123 |
| 2010 | 5.78113 |
| 2009 | 5.8526 |
| 2008 | 5.98223 |
| 2007 | 6.20499 |
| 2006 | 6.43636 |
| 2005 | 6.53653 |
| 2004 | 6.52516 |
| 2003 | 6.42947 |
| 2002 | 6.18685 |
| 2001 | 5.86402 |
| 2000 | 5.61766 |
| 1999 | 5.4584 |
| 1998 | 5.34075 |
| 1997 | 5.27849 |
| 1996 | 5.28125 |
| 1995 | 5.30683 |
| 1994 | 5.29761 |
| 1993 | 5.24696 |
| 1992 | 5.19795 |
| 1991 | 5.18543 |
| 1990 | 5.2039 |
| 1989 | 5.24081 |
| 1988 | 5.29679 |
| 1987 | 5.35685 |
| 1986 | 5.41083 |
| 1985 | 5.46584 |
| 1984 | 5.52551 |
| 1983 | 5.59273 |
| 1982 | 5.68362 |
| 1981 | 5.81236 |
| 1980 | 5.97559 |
| 1979 | 6.0698 |
| 1978 | 5.97175 |
| 1977 | 5.74668 |
| 1976 | 5.51699 |
| 1975 | 5.32379 |
| 1974 | 5.26668 |
| 1973 | 5.4366 |
| 1972 | 5.71415 |
| 1971 | 5.9374 |
| 1970 | 6.07617 |
| 1969 | 6.1531 |
| 1968 | 6.20233 |
| 1967 | 6.24924 |
| 1966 | 6.29168 |
| 1965 | 6.31892 |
| 1964 | 6.32951 |
| 1963 | 6.32268 |
| 1962 | 6.29882 |
| 1961 | 6.26719 |
| 1960 | 6.22493 |