Year Per 1000 Births 1948 35.1 1949 33.5 1950 31.9 1951 30.5 1952 29 1953 27.7 1954 26.4 1955 25.2 1956 24.2 1957 23.2 1958 22.3 1959 21.6 1960 20.9 1961 20.4 1962 19.8 1963 19.3 1964 18.7 1965 18.3 1966 17.9 1967 17.4 1968 16.8 1969 16.3 1970 15.8 1971 15.2 1972 14.7 1973 14.1 1974 13.6 1975 13.1 1976 12.6 1977 12.1 1978 11.7 1979 11.3 1980 10.9 1981 10.6 1982 10.4 1983 10.2 1984 9.9 1985 9.7 1986 9.4 1987 9.2 1988 8.9 1989 8.6 1990 8.3 1991 8 1992 7.7 1993 7.4 1994 7.2 1995 6.9 1996 6.7 1997 6.5 1998 6.4 1999 6.3 2000 6.2 2001 6 2002 5.9 2003 5.8 2004 5.5 2005 5.3 2006 5.1 2007 4.9 2008 4.6 2009 4.4 2010 4.2 2011 4