1111 6.1 6.2 6.3 6.4 6.5 6.6 7.1 7.2 7.3 7.4 7.5 7.6 8.1 8.2 8.3 8.4 8.5 8.6 1951 25.0 27.5 30.0 32.5 35.0 32.5 32.5 32.5 30.0 30.0 35.0 35.0 35.0 32.5 32.5 32.5 32.5 37.5 1952 25.0 30.0 30.0 30.0 27.5 32.5 35.0 37.5 37.5 37.5 40.0 45.0 35.0 37.5 35.0 32.5 30.0 30.0 1953 27.5 27.5 27.5 32.5 30.0 32.5 37.5 37.5 37.5 32.5 32.5 35.0 37.5 37.5 37.5 32.5 37.5 32.5 1954 27.5 27.5 30.0 30.0 30.0 32.5 32.5 32.5 35.0 32.5 32.5 32.5 32.5 32.5 32.5 35.0 35.0 37.5 1955 25.0 27.5 30.0 30.0 30.0 32.5 32.5 32.5 32.5 32.5 40.0 32.5 37.5 37.5 35.0 45.0 32.5 32.5 1956 30.0 27.5 30.0 30.0 30.0 35.0 37.5 35.0 35.0 35.0 35.0 35.0 37.5 32.5 32.5 32.5 30.0 30.0 1957 22.5 35.0 32.5 30.0 27.5 27.5 30.0 30.0 30.0 30.0 35.0 35.0 37.5 32.5 32.5 32.5 30.0 35.0 1958 27.5 27.5 27.5 27.5 30.0 30.0 30.0 32.5 35.0 35.0 35.0 32.5 32.5 32.5 32.5 32.5 30.0 27.5 1959 30.0 27.5 27.5 30.0 30.0 32.5 32.5 35.0 35.0 37.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5 1960 25.0 25.0 27.5 30.0 30.0 30.0 30.0 32.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5 30.0 32.5 30.0 1961 30.0 30.0 30.0 32.5 32.5 30.0 32.5 32.5 32.5 35.0 35.0 32.5 32.5 35.0 32.5 35.0 32.5 32.5 1962 27.5 27.5 27.5 30.0 30.0 30.0 32.5 32.5 35.0 32.5 32.5 32.5 32.5 35.0 35.0 32.5 32.5 30.0 1963 30.0 27.5 30.0 27.5 30.0 30.0 30.0 32.5 32.5 32.5 32.5 32.5 32.5 32.5 30.0 30.0 32.5 32.5 1964 27.5 27.5 27.5 27.5 30.0 32.5 32.5 35.0 35.0 35.0 35.0 32.5 32.5 32.5 35.0 32.5 30.0 32.5 1965 27.5 27.5 27.5 30.0 30.0 30.0 32.5 30.0 32.5 35.0 32.5 32.5 32.5 30.0 37.5 37.5 32.5 30.0 1966 27.5 32.5 30.0 32.5 32.5 30.0 32.5 32.5 35.0 35.0 32.5 37.5 35.0 32.5 35.0 35.0 32.5 32.5 1967 27.5 32.5 27.5 27.5 32.5 32.5 30.0 35.0 32.5 32.5 35.0 35.0 35.0 35.0 32.5 32.5 32.5 35.0 1968 30.0 30.0 27.5 27.5 30.0 30.0 30.0 35.0 32.5 32.5 37.5 35.0 37.5 35.0 32.5 32.5 30.0 32.5 1969 30.0 27.5 27.5 27.5 27.5 30.0 30.0 30.0 30.0 32.5 35.0 35.0 35.0 37.5 32.5 32.5 32.5 30.0 1970 30.0 27.5 27.5 27.5 32.5 32.5 30.0 32.5 30.0 32.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5 35.0 1971 30.0 32.5 32.5 32.5 30.0 32.5 32.5 35.0 35.0 35.0 35.0 35.0 32.5 30.0 37.5 35.0 35.0 30.0 1972 25.0 30.0 27.5 27.5 30.0 30.0 30.0 32.5 32.5 32.5 32.5 32.5 37.5 35.0 35.0 35.0 32.5 32.5 1973 27.5 27.5 30.0 32.5 30.0 32.5 32.5 32.5 35.0 35.0 30.0 35.0 37.5 35.0 32.5 32.5 30.0 27.5 1974 27.5 27.5 30.0 30.0 30.0 30.0 27.5 30.0 35.0 35.0 32.5 32.5 32.5 32.5 30.0 35.0 30.0 30.0 1975 27.5 27.5 30.0 30.0 30.0 35.0 32.5 37.5 35.0 32.5 32.5 32.5 35.0 35.0 35.0 35.0 35.0 32.5 1976 27.5 27.5 30.0 30.0 32.5 30.0 30.0 32.5 32.5 35.0 32.5 32.5 32.5 37.5 37.5 35.0 35.0 30.0 1977 27.5 27.5 30.0 27.5 35.0 32.5 35.0 32.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5 30.0 32.5 32.5 1978 27.5 30.0 27.5 30.0 32.5 35.0 37.5 35.0 37.5 35.0 32.5 37.5 32.5 32.5 35.0 35.0 37.5 32.5 1979 27.5 27.5 27.5 30.0 30.0 32.5 32.5 37.5 35.0 35.0 35.0 37.5 35.0 35.0 32.5 30.0 32.5 30.0 1980 25.0 30.0 27.5 30.0 32.5 30.0 32.5 35.0 32.5 32.5 32.5 32.5 32.5 30.0 30.0 30.0 32.5 30.0 1981 25.0 25.0 30.0 32.5 30.0 32.5 30.0 32.5 37.5 32.5 35.0 32.5 37.5 32.5 30.0 30.0 30.0 30.0 1982 27.5 30.0 27.5 27.5 27.5 27.5 30.0 30.0 32.5 30.0 32.5 32.5 35.0 32.5 32.5 30.0 30.0 32.5 1983 27.5 22.5 27.5 25.0 27.5 30.0 30.0 30.0 30.0 27.5 32.5 35.0 32.5 32.5 35.0 37.5 35.0 32.5 1984 30.0 27.5 32.5 32.5 37.5 37.5 32.5 40.0 40.0 35.0 37.5 35.0 37.5 37.5 35.0 37.5 32.5 32.5 1985 27.5 27.5 27.5 27.5 30.0 30.0 35.0 35.0 35.0 35.0 35.0 35.0 35.0 32.5 32.5 32.5 30.0 32.5 1986 27.5 27.5 27.5 30.0 30.0 32.5 37.5 32.5 32.5 32.5 37.5 37.5 35.0 35.0 32.5 30.0 30.0 30.0 1987 25.0 27.5 27.5 30.0 32.5 30.0 30.0 30.0 32.5 30.0 32.5 32.5 32.5 30.0 32.5 35.0 32.5 30.0 1988 25.0 30.0 27.5 27.5 30.0 32.5 32.5 30.0 32.5 32.5 32.5 32.5 32.5 32.5 35.0 32.5 30.0 30.0 1989 27.5 30.0 27.5 30.0 30.0 30.0 30.0 30.0 32.5 32.5 35.0 32.5 32.5 35.0 32.5 30.0 30.0 30.0 1990 27.5 25.0 27.5 30.0 32.5 30.0 32.5 32.5 32.5 35.0 35.0 35.0 35.0 32.5 32.5 30.0 30.0 30.0 1991 25.0 25.0 27.5 27.5 32.5 32.5 30.0 30.0 32.5 32.5 32.5 32.5 32.5 32.5 30.0 32.5 35.0 35.0 1992 25.0 27.5 27.5 27.5 30.0 30.0 32.5 30.0 40.0 32.5 35.0 35.0 32.5 32.5 32.5 30.0 30.0 30.0 1993 25.0 25.0 27.5 27.5 27.5 30.0 32.5 30.0 32.5 35.0 35.0 32.5 30.0 30.0 30.0 30.0 27.5 30.0 1994 25.0 27.5 27.5 30.0 32.5 32.5 35.0 32.5 35.0 35.0 35.0 35.0 35.0 32.5 32.5 32.5 32.5 30.0 1995 27.5 30.0 27.5 27.5 30.0 30.0 32.5 32.5 35.0 35.0 35.0 35.0 32.5 35.0 35.0 32.5 32.5 30.0 1996 27.5 30.0 30.0 30.0 32.5 32.5 32.5 32.5 45.0 30.0 37.5 40.0 37.5 35.0 32.5 32.5 35.0 30.0 1997 22.5 27.5 25.0 25.0 27.5 30.0 32.5 32.5 35.0 35.0 32.5 32.5 32.5 32.5 32.5 37.5 32.5 27.5 1998 25.0 25.0 30.0 30.0 30.0 30.0 30.0 35.0 35.0 40.0 30.0 32.5 30.0 32.5 32.5 32.5 32.5 30.0 1999 27.5 30.0 32.5 30.0 27.5 32.5 32.5 32.5 30.0 32.5 32.5 40.0 37.5 32.5 37.5 32.5 30.0 30.0 2000 27.5 30.0 27.5 32.5 32.5 32.5 32.5 30.0 32.5 35.0 37.5 32.5 35.0 37.5 35.0 30.0 30.0 30.0 2001 30.0 30.0 30.0 27.5 32.5 32.5 32.5 32.5 32.5 32.5 32.5 35.0 35.0 32.5 32.5 30.0 30.0 30.0 2002 25.0 27.5 27.5 27.5 27.5 30.0 30.0 32.5 35.0 32.5 32.5 32.5 35.0 32.5 30.0 32.5 35.0 32.5 2003 25.0 27.5 27.5 30.0 30.0 30.0 30.0 32.5 35.0 35.0 32.5 32.5 32.5 32.5 30.0 30.0 32.5 30.0 2004 27.5 27.5 32.5 32.5 32.5 32.5 30.0 27.5 32.5 32.5 32.5 32.5 32.5 32.5 35.0 32.5 32.5 27.5 2005 25.0 25.0 27.5 27.5 32.5 30.0 32.5 37.5 32.5 35.0 32.5 32.5 32.5 32.5 32.5 32.5 30.0 30.0 2006 27.5 30.0 32.5 35.0 30.0 30.0 30.0 35.0 35.0 37.5 35.0 32.5 35.0 37.5 37.5 32.5 32.5 32.5 2007 25.0 27.5 30.0 32.5 32.5 32.5 32.5 32.5 35.0 35.0 35.0 32.5 32.5 32.5 32.5 37.5 32.5 32.5 2008 32.5 32.5 32.5 30.0 30.0 27.5 32.5 32.5 35.0 32.5 32.5 35.0 35.0 32.5 32.5 32.5 32.5 30.0 2009 27.5 27.5 27.5 30.0 30.0 30.0 32.5 32.5 30.0 32.5 30.0 30.0 30.0 30.0 32.5 32.5 35.0 30.0 2010 25.0 25.0 30.0 27.5 30.0 30.0 32.5 35.0 32.5 32.5 35.0 37.5 35.0 35.0 32.5 32.5 30.0 32.5 2011 25.0 25.0 30.0 32.5 32.5 32.5 32.5 37.5 32.5 32.5 35.0 37.5 37.5 32.5 32.5 35.0 32.5 32.5 2012 25.0 25.0 27.5 27.5 30.0 32.5 32.5 32.5 32.5 30.0 32.5 32.5 32.5 35.0 35.0 35.0 32.5 30.0 2013 30.0 32.5 30.0 35.0 30.0 30.0 32.5 32.5 32.5 32.5 35.0 35.0 35.0 32.5 35.0 37.5 35.0 30.0 2014 27.5 27.5 27.5 30.0 32.5 32.5 30.0 32.5 32.5 32.5 35.0 32.5 32.5 32.5 32.5 32.5 37.5 32.5 2015 27.5 30.0 32.5 32.5 32.5 32.5 37.5 35.0 40.0 37.5 37.5 37.5 35.0 32.5 30.0 30.0 30.0 27.5 2016 25.0 27.5 30.0 30.0 30.0 30.0 30.0 32.5 32.5 35.0 35.0 35.0 42.5 35.0 35.0 35.0 35.0 32.5