Year Per 1000 Births 1955 11.1 1956 10.71 1957 10.99 1958 9.508 1959 10.26 1960 11.34 1961 11.61 1962 12.84 1963 13.65 1964 14.41 1965 15.46 1966 14.92 1967 15.56 1968 15 1969 16.62 1970 17.88 1971 20.45 1972 22.31 1973 23.28 1974 23.89 1975 24.5 1976 23.6 1977 22.98 1978 23.49 1979 24.14 1980 23.69 1981 22.88 1982 21.15 1983 19.21 1984 18.72 1985 17.3 1986 17.16 1987 16.81 1988 16.1 1989 15.44 1990 17.03 1991 17.51 1992 17.18 1993 16.6 1994 15.45 1995 15.56 1996 17.26 1997 17.77 1998 19.36 1999 20.12 2000 19.25 2001 19.52 2002 19.18 2003 18.87 2004 16.99 2005 16.54 2006 16.24 2007 17.78 2008 17.53 2009 16.35 2010 15.06