| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | 19.1699 |
| 2021 | 18.9161 |
| 2020 | 18.7225 |
| 2019 | 18.5307 |
| 2018 | 18.3221 |
| 2017 | 18.1435 |
| 2016 | 17.974 |
| 2015 | 17.7987 |
| 2014 | 17.5813 |
| 2013 | 17.3006 |
| 2012 | 16.9528 |
| 2011 | 16.5976 |
| 2010 | 16.3429 |
| 2009 | 16.1573 |
| 2008 | 15.997 |
| 2007 | 15.8912 |
| 2006 | 15.8461 |
| 2005 | 15.8373 |
| 2004 | 15.8183 |
| 2003 | 15.789 |
| 2002 | 15.7621 |
| 2001 | 15.7351 |
| 2000 | 15.7189 |
| 1999 | 15.7327 |
| 1998 | 15.7694 |
| 1997 | 15.7966 |
| 1996 | 15.8053 |
| 1995 | 15.8055 |
| 1994 | 15.7948 |
| 1993 | 15.7914 |
| 1992 | 15.7877 |
| 1991 | 15.7597 |
| 1990 | 15.7156 |
| 1989 | 15.664 |
| 1988 | 15.5986 |
| 1987 | 15.486 |
| 1986 | 15.3197 |
| 1985 | 15.1146 |
| 1984 | 14.9476 |
| 1983 | 14.928 |
| 1982 | 14.9957 |
| 1981 | 15.0078 |
| 1980 | 14.933 |
| 1979 | 14.7988 |
| 1978 | 14.625 |
| 1977 | 14.4223 |
| 1976 | 14.2278 |
| 1975 | 14.0332 |
| 1974 | 13.8226 |
| 1973 | 13.6158 |
| 1972 | 13.4183 |
| 1971 | 13.2225 |
| 1970 | 13.0268 |
| 1969 | 12.8445 |
| 1968 | 12.6789 |
| 1967 | 12.5034 |
| 1966 | 12.3295 |
| 1965 | 12.1723 |
| 1964 | 12.0167 |
| 1963 | 11.9127 |
| 1962 | 11.8541 |
| 1961 | 11.7956 |
| 1960 | 11.7243 |