| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 5.61662 |
| 2021 | 5.74832 |
| 2020 | 5.86142 |
| 2019 | 5.95733 |
| 2018 | 6.04119 |
| 2017 | 6.1261 |
| 2016 | 6.22738 |
| 2015 | 6.33681 |
| 2014 | 6.42828 |
| 2013 | 6.49955 |
| 2012 | 6.55245 |
| 2011 | 6.56802 |
| 2010 | 6.55881 |
| 2009 | 6.54258 |
| 2008 | 6.50374 |
| 2007 | 6.44185 |
| 2006 | 6.38392 |
| 2005 | 6.33958 |
| 2004 | 6.29404 |
| 2003 | 6.21076 |
| 2002 | 6.08064 |
| 2001 | 5.947 |
| 2000 | 5.82958 |
| 1999 | 5.75876 |
| 1998 | 5.79642 |
| 1997 | 5.96356 |
| 1996 | 6.23212 |
| 1995 | 6.5282 |
| 1994 | 6.80625 |
| 1993 | 7.06911 |
| 1992 | 7.29832 |
| 1991 | 7.46894 |
| 1990 | 7.62057 |
| 1989 | 7.78113 |
| 1988 | 7.90445 |
| 1987 | 7.97473 |
| 1986 | 7.99265 |
| 1985 | 7.94093 |
| 1984 | 7.81254 |
| 1983 | 7.64807 |
| 1982 | 7.47653 |
| 1981 | 7.29152 |
| 1980 | 7.09614 |
| 1979 | 6.92145 |
| 1978 | 6.78786 |
| 1977 | 6.67513 |
| 1976 | 6.59185 |
| 1975 | 6.57902 |
| 1974 | 6.6397 |
| 1973 | 6.76193 |
| 1972 | 6.98843 |
| 1971 | 7.23667 |
| 1970 | 7.34411 |
| 1969 | 7.32436 |
| 1968 | 7.22279 |
| 1967 | 6.97836 |
| 1966 | 6.64583 |
| 1965 | 6.39594 |
| 1964 | 6.24831 |
| 1963 | 6.13804 |
| 1962 | 6.07865 |
| 1961 | 6.0859 |
| 1960 | 6.12152 |