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 71.7 73.8 78.2 84.9 89.8 90.3 88.9 89.1 86.0 84.2 89.9 87.7 87.9 89.0 88.1 93.2 90.7 96.1 1952 76.1 81.0 83.1 83.3 81.9 86.3 91.1 92.3 90.3 89.0 92.1 92.2 92.3 89.0 85.3 85.2 82.6 79.2 1953 76.7 78.4 80.0 83.5 89.2 87.8 94.2 93.4 96.3 92.0 90.0 93.0 92.0 93.1 89.1 87.0 88.3 87.6 1954 76.1 76.0 77.8 82.3 82.9 84.6 86.0 85.7 89.7 88.1 90.9 86.0 87.2 85.3 85.7 88.5 86.0 88.3 1955 69.1 73.8 77.5 79.5 83.3 82.8 84.4 85.9 89.1 89.1 88.4 85.4 91.7 87.9 86.3 82.7 80.3 82.8 1956 73.7 74.8 81.0 78.7 80.6 83.6 87.0 85.2 86.3 85.2 86.7 87.5 83.2 84.0 87.3 83.4 81.4 77.2 1957 72.1 73.8 80.1 82.8 80.0 79.8 88.8 86.8 89.8 92.2 95.6 92.4 91.4 87.2 85.5 87.1 87.3 89.5 1958 77.8 80.0 81.6 81.8 85.2 87.1 92.5 93.5 98.4 95.7 92.4 94.8 94.0 90.4 87.0 88.1 86.4 81.4 1959 77.9 79.0 79.3 82.2 83.1 83.7 86.5 91.4 91.6 91.3 90.2 90.7 87.7 91.0 89.7 84.9 85.3 84.0 1960 75.6 77.1 79.2 81.2 82.7 83.0 86.1 90.4 88.4 88.7 86.0 87.4 91.7 93.6 91.4 85.7 86.3 83.5 1961 81.1 81.0 82.1 83.6 82.5 87.0 90.5 88.5 90.8 87.9 90.9 88.1 90.4 94.5 93.2 89.8 85.5 85.7 1962 76.0 75.7 77.6 82.2 80.0 78.4 82.7 83.7 88.4 89.2 92.0 89.8 89.5 89.4 85.9 85.5 83.6 81.9 1963 76.4 77.7 79.2 78.5 81.8 80.4 85.8 86.9 86.4 89.8 88.3 89.6 90.2 89.3 86.4 87.7 83.3 86.7 1964 74.0 70.9 73.4 75.7 78.2 82.6 89.2 88.8 93.4 89.3 91.2 87.7 85.0 89.8 92.2 88.2 81.2 82.7 1965 73.4 71.5 76.0 77.8 78.3 79.9 82.8 81.0 86.8 86.3 86.8 84.2 82.9 81.3 79.0 83.4 75.8 76.8 1966 74.5 72.7 75.2 83.8 83.3 88.0 89.7 89.1 88.7 91.6 93.9 97.1 90.7 89.3 89.7 92.7 87.7 85.2 1967 76.0 78.2 74.5 76.5 81.1 85.8 86.9 90.4 90.8 92.7 93.0 87.7 91.9 87.6 87.5 86.4 85.4 86.6 1968 71.2 74.6 77.0 78.8 79.2 82.5 85.1 87.4 87.3 89.0 92.2 88.3 86.8 87.3 86.3 84.3 83.4 84.6 1969 81.8 80.8 78.0 78.6 80.7 82.2 84.1 86.3 89.0 91.6 89.7 90.0 94.2 92.4 86.9 82.5 80.2 78.5 1970 78.5 79.3 80.0 84.0 87.6 87.6 85.5 90.8 90.9 90.1 85.4 89.1 85.9 88.5 87.3 87.5 85.4 88.4 1971 77.4 83.2 82.6 78.9 80.4 83.3 84.4 88.8 89.8 84.8 87.5 85.8 85.4 83.8 84.2 82.3 83.2 76.9 1972 70.5 74.0 77.4 78.2 78.7 79.4 85.3 90.7 91.5 91.1 91.9 85.2 88.9 84.7 81.3 81.4 80.8 82.3 1973 76.0 78.2 84.8 84.5 83.8 86.4 84.4 84.7 91.8 85.7 87.0 87.1 89.8 82.5 80.2 81.5 85.7 80.9 1974 71.7 71.9 76.8 79.2 75.4 79.4 75.5 82.3 79.8 82.3 83.8 86.8 85.9 83.1 81.0 80.2 82.9 79.3 1975 71.4 76.0 81.1 80.5 84.3 86.5 85.4 84.7 85.6 80.6 80.4 82.1 83.5 86.6 87.9 88.5 78.7 80.2 1976 70.3 72.4 76.3 74.7 79.2 79.8 81.5 83.7 85.4 85.5 86.3 85.1 87.8 86.4 84.3 78.3 78.3 75.1 1977 73.5 72.5 76.9 78.8 84.8 84.4 87.3 88.0 91.7 87.5 88.4 89.8 93.4 93.1 87.3 82.6 84.4 82.5 1978 78.5 79.9 78.9 82.8 88.1 93.7 93.0 87.7 90.8 87.2 88.1 93.6 91.1 90.4 88.7 88.9 82.6 79.8 1979 77.3 77.8 77.7 82.8 87.6 92.7 91.0 91.6 92.2 92.2 90.3 92.4 90.4 87.7 86.2 87.6 89.0 83.7 1980 76.9 82.3 83.7 85.8 92.0 90.3 93.6 95.2 93.3 90.5 90.7 89.8 92.9 87.4 87.0 86.3 88.0 87.2 1981 76.5 78.1 82.7 82.9 86.4 88.2 89.2 91.6 96.7 91.5 93.5 95.3 98.2 90.7 89.5 89.7 89.1 87.6 1982 83.6 86.0 81.4 83.0 83.9 82.0 85.6 88.6 88.9 92.0 92.3 92.9 95.3 92.3 90.9 89.8 87.4 88.6 1983 80.7 78.0 79.8 81.5 83.8 88.4 89.6 92.0 92.3 90.7 94.4 97.4 95.8 94.2 93.1 92.0 90.5 90.2 1984 82.9 84.0 84.9 86.0 89.5 89.4 87.7 93.4 92.7 86.4 86.4 89.7 92.8 88.7 88.8 90.9 85.3 84.2 1985 79.2 79.0 79.1 80.4 85.9 85.6 88.7 92.8 90.4 88.0 87.7 87.0 86.8 87.6 91.2 91.6 90.2 86.9 1986 74.9 78.5 79.8 83.8 89.7 92.0 96.4 92.0 91.4 91.4 89.6 91.2 85.1 86.4 87.5 86.1 82.5 80.6 1987 78.0 83.5 83.5 86.2 90.7 89.7 88.4 89.3 90.8 91.0 92.5 88.0 89.5 88.2 89.6 91.3 90.9 88.0 1988 76.7 82.6 83.8 83.2 85.1 88.6 93.4 90.3 95.1 96.5 96.7 96.2 91.0 94.5 94.0 90.3 86.6 82.9 1989 77.4 78.2 82.2 81.5 85.3 82.9 83.3 88.1 89.6 89.6 96.9 91.3 86.8 86.0 85.4 86.1 84.4 84.2 1990 82.4 81.0 82.9 88.7 90.8 88.9 89.0 91.7 93.6 91.5 91.0 89.6 91.9 87.8 85.8 88.6 86.9 87.2 1991 78.9 81.1 87.2 84.4 89.5 90.6 89.4 87.4 86.5 94.7 94.2 95.6 92.9 91.6 90.3 90.8 89.6 87.8 1992 72.0 73.0 75.8 80.4 83.0 83.1 83.8 80.1 81.9 81.6 87.7 87.6 86.5 83.2 88.9 84.3 84.9 81.8 1993 72.5 75.9 76.1 79.6 80.9 84.4 85.7 84.6 87.3 91.8 89.5 89.4 88.6 88.3 87.7 86.2 81.2 79.6 1994 75.5 78.6 80.9 84.7 85.2 86.0 91.1 89.8 90.1 91.7 92.0 90.2 91.9 89.0 87.8 85.7 87.6 82.3 1995 79.6 85.4 85.1 84.1 82.4 84.8 86.9 84.5 89.2 91.5 90.5 90.0 88.4 89.2 89.1 86.1 84.3 82.4 1996 75.5 73.4 76.9 79.6 84.0 85.6 84.0 83.4 83.4 85.5 90.2 92.4 90.6 87.2 88.4 83.2 81.5 80.0 1997 69.6 71.4 70.9 74.9 77.7 83.9 87.1 88.1 89.3 91.1 88.4 89.1 90.7 91.8 84.8 86.5 81.3 80.0 1998 80.1 82.5 85.3 88.8 88.9 93.4 94.0 97.8 96.9 92.0 89.0 89.9 91.0 93.7 92.5 90.5 88.2 84.9 1999 74.3 76.5 82.1 82.3 80.1 84.6 84.2 83.7 83.0 87.7 86.2 92.6 88.5 87.6 83.8 84.0 80.4 76.9 2000 74.6 79.3 80.1 82.2 81.7 81.5 81.8 84.6 85.2 90.1 90.6 86.7 81.8 84.3 85.4 81.6 81.9 80.9 2001 80.3 77.1 77.1 76.6 82.6 84.9 84.5 86.0 88.9 85.6 87.7 90.4 89.4 84.8 86.8 86.0 85.2 78.6 2002 71.3 73.9 76.4 79.6 81.7 83.1 87.9 87.7 89.2 87.6 83.2 81.9 86.9 85.9 85.0 83.2 84.2 79.6 2003 72.5 76.3 77.1 77.9 80.8 82.4 82.8 85.8 89.0 89.5 90.3 91.5 89.1 90.1 87.2 86.9 85.3 84.1 2004 73.5 71.4 78.5 80.8 80.5 81.7 83.4 80.8 78.5 82.1 81.5 81.2 83.4 84.4 83.6 82.0 80.9 79.9 2005 74.4 75.9 78.7 81.1 87.5 87.3 91.8 95.5 92.9 91.7 86.6 89.4 90.3 89.4 88.3 86.1 81.6 80.2 2006 76.7 80.9 80.1 80.7 80.6 83.7 89.2 94.1 93.0 98.3 95.4 89.8 91.6 87.0 85.7 87.6 84.9 81.8 2007 72.6 79.1 83.2 83.6 87.9 88.1 90.7 91.4 91.7 91.4 87.7 85.4 84.6 91.1 89.8 88.8 84.0 82.8 2008 74.1 77.1 83.2 82.9 81.8 81.7 85.9 86.3 88.7 86.1 87.7 90.3 91.7 84.7 84.5 85.6 84.3 80.4 2009 74.5 75.9 73.8 79.0 83.7 85.7 84.0 87.4 89.6 92.6 91.1 89.7 90.9 91.3 92.7 88.4 83.7 82.1 2010 77.7 78.3 82.0 84.2 84.4 88.4 90.9 92.4 90.9 93.8 93.8 95.2 93.2 93.4 94.4 93.5 88.9 87.8 2011 76.1 76.2 82.3 88.1 86.7 88.4 87.5 89.2 86.0 87.7 92.9 88.2 89.3 89.9 84.8 84.8 85.7 82.9 2012 77.0 77.9 78.8 79.1 82.3 84.4 85.8 85.6 88.8 87.8 90.1 91.8 90.7 88.5 87.3 89.4 87.1 83.1 2013 77.4 82.0 83.4 84.8 86.1 85.5 91.5 89.8 91.8 91.6 94.7 92.2 90.9 87.9 85.8 85.2 84.8 83.9 2014 77.8 80.3 81.0 84.3 86.6 87.3 85.8 89.3 90.8 91.0 92.5 90.2 89.7 91.4 87.9 86.0 81.6 79.0 2015 77.0 77.6 85.1 82.7 87.7 91.6 97.0 93.5 90.4 90.2 92.5 88.3 88.0 89.2 89.8 87.5 83.7 83.4 2016 77.8 80.0 84.7 85.5 86.9 90.9 93.1 94.7 96.2 95.2 92.7 90.4 94.0 90.1 89.3 90.9 91.9 85.7