| 年份 | 英国 |
|---|---|
| 2023 | - |
| 2022 | - |
| 2021 | 78.7 |
| 2020 | 78.4 |
| 2019 | 79.6 |
| 2018 | 79.5 |
| 2017 | 79.5 |
| 2016 | 79.4 |
| 2015 | 79.2 |
| 2014 | 79.5 |
| 2013 | 79.2 |
| 2012 | 79.1 |
| 2011 | 79 |
| 2010 | 78.5 |
| 2009 | 78.1 |
| 2008 | 77.6 |
| 2007 | 77.4 |
| 2006 | 77.2 |
| 2005 | 77 |
| 2004 | 76.6 |
| 2003 | 76.3 |
| 2002 | 75.9 |
| 2001 | 75.7 |
| 2000 | 75.4 |
| 1999 | 75 |
| 1998 | 74.8 |
| 1997 | 74.65 |
| 1996 | 74.6 |
| 1995 | 74.3 |
| 1994 | 74.3 |
| 1993 | 73.8 |
| 1992 | 73.8 |
| 1991 | 73.4 |
| 1990 | 73.1 |
| 1989 | 72.9 |
| 1988 | 72.6 |
| 1987 | 72.5 |
| 1986 | 72.1 |
| 1985 | 71.8 |
| 1984 | 71.9 |
| 1983 | 71.5 |
| 1982 | 71.3 |
| 1981 | 71.1 |
| 1980 | 70.7 |
| 1979 | 70.3 |
| 1978 | 70.2 |
| 1977 | 70.2 |
| 1976 | 69.8 |
| 1975 | 69.7 |
| 1974 | 69.5 |
| 1973 | 69.3 |
| 1972 | 69.1 |
| 1971 | 69.2 |
| 1970 | 68.9 |
| 1969 | 68.6 |
| 1968 | 68.7 |
| 1967 | 69.1 |
| 1966 | 68.5 |
| 1965 | 68.6 |
| 1964 | 68.6 |
| 1963 | 67.9 |
| 1962 | 68 |
| 1961 | 68 |
| 1960 | 68.2 |