Year Per 100,000 People 1950 0.474 1951 0.3659 1952 0.4237 1953 0.4703 1954 0.4495 1955 0.386 1956 0.4173 1957 0.5471 1958 0.4801 1959 0.6197 1960 0.4893 1961 0.4524 1962 0.5968 1963 0.538 1964 0.6082 1965 0.5472 1966 0.637 1967 0.6793 1968 0.735 1969 0.7104 1970 0.6144 1971 0.8423 1972 0.8061 1973 0.8823 1974 0.9135 1975 0.9469 1976 1.1296 1977 0.964 1978 1.1047 1979 0.9998 1980 0.7543 1981 0.4548 1982 0.7307 1983 0.6924 1984 0.6872 1985 0.6362 1986 0.5923 1987 0.6338 1988 0.6195 1989 0.8387 1990 0.4021 1991 0.5453 1992 0.5616 1993 0.786 1994 0.6552 1995 0.5604 1996 0.5759 1997 0.3759 1998 0.4338 1999 0.3619 2001 0.2427 2002 0.2199 2003 0.2384 2004 0.2006 2005 0.2056 2006 0.1934 2007 0.2632 2008 0.1883 2009 0.1826 2010 0.1525 2011 0.1594 2012 0.1455 2013 0.0877 2014 0.1179 2015 0.1533