Year Per 1000 Births 1950 46.47 1951 46.81 1952 47.47 1953 48.08 1954 48.64 1955 49.15 1956 49.6 1957 50.01 1958 50.37 1959 50.68 1960 50.95 1961 51.16 1962 51.34 1963 51.47 1964 51.56 1965 51.6 1966 51.57 1967 51.48 1968 51.33 1969 51.12 1970 50.87 1971 50.59 1972 50.29 1973 49.99 1974 49.7 1975 49.41 1976 49.13 1977 48.83 1978 48.54 1979 48.25 1980 47.99 1981 47.79 1982 47.67 1983 47.63 1984 47.66 1985 47.72 1986 47.78 1987 47.82 1988 47.78 1989 47.66 1990 47.46 1991 47.19 1992 46.87 1993 46.52 1994 46.16 1995 45.76 1996 45.31 1997 44.82 1998 44.28 1999 43.69 2000 43.09 2001 42.48 2002 41.9 2003 41.36 2004 40.86 2005 40.4 2006 39.98 2007 39.57 2008 39.16 2009 38.74 2010 38.32 2011 37.91 2012 37.51 2013 37.13 2014 36.76 2015 36.4