Year Per 100,000 People 1964 6.8211 1965 6.0107 1966 13.932 1967 12.4085 1968 14.8593 1969 13.7667 1970 14.0625 1971 15.362 1972 15.4879 1973 15.1496 1974 13.3585 1975 15.5344 1976 14.7955 1977 16.3021 1978 14.5196 1979 17.8564 1980 29.5888 1981 25.8941 1982 27.1882 1983 31.1683 1984 22.8585 1985 26.4394 1986 24.4106 1987 26.4746 1988 25.5029 1989 27.799 1990 29.9457 1991 23.3262 1992 28.7436 1993 27.3574 1994 30.261 1995 27.8038 1996 26.4453 1997 24.9498 1998 22.9163 1999 22.9372 2000 23.5448 2001 21.5219 2002 22.0622 2003 21.2876 2004 19.3916 2005 3.4399 2006 4.4781 2007 4.2584 2008 4.5335 2009 1.9534 2010 3.0256 2011 1.9624 2012 1.8219 2013 7.253 2014 8.6166