Year Per 100,000 People 1955 5.9796 1956 8.6398 1957 7.235 1958 6.1306 1959 9.0829 1960 9.1758 1961 8.1632 1962 8.9876 1963 12.2282 1964 13.0885 1965 11.7153 1966 12.8614 1967 14.6881 1968 20.5481 1969 24.3858 1970 26.5856 1971 31.5152 1972 32.7595 1973 26.5273 1974 29.4415 1975 30.6397 1976 30.2671 1977 33.7284 1978 38.2829 1979 48.4205 1980 42.9025 1981 40.3812 1982 40.3944 1983 43.5028 1984 36.7555 1985 42.1586 1986 42.1322 1987 41.6155 1988 43.5864 1989 49.7928 1990 48.9989 1991 43.5722 1992 45.4344 1993 39.1973 1994 36.3013 1995 32.4854 1996 18.8487 1997 19.5332 1998 19.0816 1999 18.0011 2000 15.6017 2001 18.6452 2002 18.5191 2003 18.4976 2004 18.2959 2005 17.8134 2006 18.0824 2007 16.249 2008 15.2576 2009 12.6788 2010 11.9586 2011 11.559 2012 10.2884 2013 10.0991 2014 10.7511 2015 11.654 2016 11.8994