| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 5.90793 |
| 2021 | 5.79197 |
| 2020 | 5.71911 |
| 2019 | 5.71123 |
| 2018 | 5.76522 |
| 2017 | 5.8737 |
| 2016 | 6.01392 |
| 2015 | 6.14556 |
| 2014 | 6.25091 |
| 2013 | 6.33751 |
| 2012 | 6.41914 |
| 2011 | 6.51009 |
| 2010 | 6.6175 |
| 2009 | 6.70978 |
| 2008 | 6.77075 |
| 2007 | 6.80509 |
| 2006 | 6.7948 |
| 2005 | 6.75773 |
| 2004 | 6.71955 |
| 2003 | 6.66496 |
| 2002 | 6.59249 |
| 2001 | 6.52889 |
| 2000 | 6.48049 |
| 1999 | 6.44677 |
| 1998 | 6.39784 |
| 1997 | 6.30803 |
| 1996 | 6.21393 |
| 1995 | 6.1378 |
| 1994 | 6.10724 |
| 1993 | 6.189 |
| 1992 | 6.41791 |
| 1991 | 6.76204 |
| 1990 | 7.13488 |
| 1989 | 7.4806 |
| 1988 | 7.79792 |
| 1987 | 8.0667 |
| 1986 | 8.25694 |
| 1985 | 8.41355 |
| 1984 | 8.57989 |
| 1983 | 8.70407 |
| 1982 | 8.76286 |
| 1981 | 8.76904 |
| 1980 | 8.71122 |
| 1979 | 8.57038 |
| 1978 | 8.38593 |
| 1977 | 8.19818 |
| 1976 | 7.99865 |
| 1975 | 7.78855 |
| 1974 | 7.60608 |
| 1973 | 7.47573 |
| 1972 | 7.36714 |
| 1971 | 7.2923 |
| 1970 | 7.2939 |
| 1969 | 7.36929 |
| 1968 | 7.51254 |
| 1967 | 7.7786 |
| 1966 | 8.07806 |
| 1965 | 8.22505 |
| 1964 | 8.23325 |
| 1963 | 8.14219 |
| 1962 | 7.87741 |
| 1961 | 7.49766 |
| 1960 | 7.1935 |