| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 15.602 |
| 2021 | 15.848 |
| 2020 | 16.097 |
| 2019 | 16.348 |
| 2018 | 16.602 |
| 2017 | 16.857 |
| 2016 | 17.114 |
| 2015 | 17.374 |
| 2014 | 17.635 |
| 2013 | 17.898 |
| 2012 | 18.163 |
| 2011 | 18.43 |
| 2010 | 18.698 |
| 2009 | 18.969 |
| 2008 | 19.243 |
| 2007 | 19.521 |
| 2006 | 19.801 |
| 2005 | 20.085 |
| 2004 | 20.371 |
| 2003 | 20.661 |
| 2002 | 20.953 |
| 2001 | 21.249 |
| 2000 | 21.349 |
| 1999 | 21.409 |
| 1998 | 21.468 |
| 1997 | 21.528 |
| 1996 | 21.587 |
| 1995 | 21.647 |
| 1994 | 21.707 |
| 1993 | 21.768 |
| 1992 | 21.828 |
| 1991 | 21.888 |
| 1990 | 21.86 |
| 1989 | 21.81 |
| 1988 | 21.76 |
| 1987 | 21.71 |
| 1986 | 21.66 |
| 1985 | 21.61 |
| 1984 | 21.56 |
| 1983 | 21.511 |
| 1982 | 21.461 |
| 1981 | 21.412 |
| 1980 | 21.519 |
| 1979 | 21.677 |
| 1978 | 21.836 |
| 1977 | 21.995 |
| 1976 | 22.156 |
| 1975 | 22.317 |
| 1974 | 22.479 |
| 1973 | 22.642 |
| 1972 | 22.805 |
| 1971 | 22.97 |
| 1970 | 22.883 |
| 1969 | 22.741 |
| 1968 | 22.6 |
| 1967 | 22.459 |
| 1966 | 22.318 |
| 1965 | 22.179 |
| 1964 | 22.04 |
| 1963 | 21.901 |
| 1962 | 21.763 |
| 1961 | 21.626 |
| 1960 | 21.556 |