| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 5.46575 |
| 2021 | 5.63765 |
| 2020 | 5.82065 |
| 2019 | 5.98636 |
| 2018 | 6.11971 |
| 2017 | 6.24117 |
| 2016 | 6.34464 |
| 2015 | 6.42105 |
| 2014 | 6.48137 |
| 2013 | 6.5304 |
| 2012 | 6.54306 |
| 2011 | 6.50444 |
| 2010 | 6.4317 |
| 2009 | 6.34636 |
| 2008 | 6.24894 |
| 2007 | 6.12909 |
| 2006 | 6.02451 |
| 2005 | 5.96738 |
| 2004 | 5.95813 |
| 2003 | 5.99679 |
| 2002 | 6.0907 |
| 2001 | 6.21914 |
| 2000 | 6.34467 |
| 1999 | 6.45558 |
| 1998 | 6.55822 |
| 1997 | 6.66361 |
| 1996 | 6.77965 |
| 1995 | 6.90345 |
| 1994 | 7.00218 |
| 1993 | 7.06572 |
| 1992 | 7.10056 |
| 1991 | 7.08827 |
| 1990 | 7.04353 |
| 1989 | 6.98718 |
| 1988 | 6.91154 |
| 1987 | 6.82428 |
| 1986 | 6.75887 |
| 1985 | 6.73239 |
| 1984 | 6.72979 |
| 1983 | 6.69506 |
| 1982 | 6.60165 |
| 1981 | 6.49344 |
| 1980 | 6.39536 |
| 1979 | 6.34593 |
| 1978 | 6.4193 |
| 1977 | 6.64431 |
| 1976 | 6.99032 |
| 1975 | 7.36882 |
| 1974 | 7.71864 |
| 1973 | 8.04352 |
| 1972 | 8.32721 |
| 1971 | 8.54073 |
| 1970 | 8.73099 |
| 1969 | 8.93826 |
| 1968 | 9.10534 |
| 1967 | 9.20989 |
| 1966 | 9.25432 |
| 1965 | 9.22031 |
| 1964 | 9.099 |
| 1963 | 8.93945 |
| 1962 | 8.78252 |
| 1961 | 8.6147 |
| 1960 | 8.43244 |