| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 6.08368 |
| 2021 | 6.2406 |
| 2020 | 6.36919 |
| 2019 | 6.46978 |
| 2018 | 6.54791 |
| 2017 | 6.61225 |
| 2016 | 6.68078 |
| 2015 | 6.76156 |
| 2014 | 6.827 |
| 2013 | 6.86464 |
| 2012 | 6.88095 |
| 2011 | 6.86214 |
| 2010 | 6.82601 |
| 2009 | 6.79541 |
| 2008 | 6.7561 |
| 2007 | 6.70562 |
| 2006 | 6.66158 |
| 2005 | 6.62271 |
| 2004 | 6.58195 |
| 2003 | 6.50948 |
| 2002 | 6.38767 |
| 2001 | 6.26018 |
| 2000 | 6.15377 |
| 1999 | 6.09229 |
| 1998 | 6.13929 |
| 1997 | 6.32969 |
| 1996 | 6.62999 |
| 1995 | 6.95885 |
| 1994 | 7.2719 |
| 1993 | 7.57052 |
| 1992 | 7.832 |
| 1991 | 8.02933 |
| 1990 | 8.20051 |
| 1989 | 8.37737 |
| 1988 | 8.51024 |
| 1987 | 8.58174 |
| 1986 | 8.60077 |
| 1985 | 8.55469 |
| 1984 | 8.42924 |
| 1983 | 8.26337 |
| 1982 | 8.09512 |
| 1981 | 7.91708 |
| 1980 | 7.72623 |
| 1979 | 7.55218 |
| 1978 | 7.41773 |
| 1977 | 7.29611 |
| 1976 | 7.19506 |
| 1975 | 7.1629 |
| 1974 | 7.20632 |
| 1973 | 7.31729 |
| 1972 | 7.5454 |
| 1971 | 7.8024 |
| 1970 | 7.90922 |
| 1969 | 7.87917 |
| 1968 | 7.7645 |
| 1967 | 7.49777 |
| 1966 | 7.13236 |
| 1965 | 6.85476 |
| 1964 | 6.68806 |
| 1963 | 6.5606 |
| 1962 | 6.49022 |
| 1961 | 6.4962 |
| 1960 | 6.53427 |