| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 5.48011 |
| 2021 | 5.36477 |
| 2020 | 5.29088 |
| 2019 | 5.27506 |
| 2018 | 5.31753 |
| 2017 | 5.41158 |
| 2016 | 5.53217 |
| 2015 | 5.64423 |
| 2014 | 5.73872 |
| 2013 | 5.82098 |
| 2012 | 5.90507 |
| 2011 | 6.00513 |
| 2010 | 6.11529 |
| 2009 | 6.20472 |
| 2008 | 6.26745 |
| 2007 | 6.30728 |
| 2006 | 6.30351 |
| 2005 | 6.26885 |
| 2004 | 6.22564 |
| 2003 | 6.1601 |
| 2002 | 6.07319 |
| 2001 | 5.99736 |
| 2000 | 5.95026 |
| 1999 | 5.9205 |
| 1998 | 5.87017 |
| 1997 | 5.78338 |
| 1996 | 5.69177 |
| 1995 | 5.61135 |
| 1994 | 5.57406 |
| 1993 | 5.64093 |
| 1992 | 5.83707 |
| 1991 | 6.13739 |
| 1990 | 6.46439 |
| 1989 | 6.76645 |
| 1988 | 7.04724 |
| 1987 | 7.2899 |
| 1986 | 7.46331 |
| 1985 | 7.60929 |
| 1984 | 7.76483 |
| 1983 | 7.88259 |
| 1982 | 7.94136 |
| 1981 | 7.94988 |
| 1980 | 7.89487 |
| 1979 | 7.76051 |
| 1978 | 7.58477 |
| 1977 | 7.40102 |
| 1976 | 7.20214 |
| 1975 | 6.99553 |
| 1974 | 6.82081 |
| 1973 | 6.69834 |
| 1972 | 6.60351 |
| 1971 | 6.55009 |
| 1970 | 6.57539 |
| 1969 | 6.6739 |
| 1968 | 6.83424 |
| 1967 | 7.10168 |
| 1966 | 7.39102 |
| 1965 | 7.53473 |
| 1964 | 7.54735 |
| 1963 | 7.46722 |
| 1962 | 7.22978 |
| 1961 | 6.89043 |
| 1960 | 6.62615 |