Year Per 100,000 People 1961 3.4165 1962 3.0169 1963 2.8396 1964 4.4404 1965 4.483 1966 5.3024 1967 5.3297 1968 4.6091 1969 4.4091 1970 4.2962 1971 4.3006 1972 4.4515 1973 5.3678 1974 5.3054 1975 5.8458 1976 6.3525 1977 6.6208 1978 6.7783 1979 11.6334 1980 12.7007 1981 11.4495 1982 11.938 1983 10.8069 1984 10.8521 1985 10.5259 1986 10.0545 1987 8.5565 1988 8.3521 1989 8.9018 1990 8.2441 1991 8.0533 1992 7.4089 1993 6.3471 1994 6.6548 1995 6.2303 1996 5.9788 1997 6.2622 1998 5.5794 1999 5.446 2000 3.9055 2001 4.0345 2002 4.8695 2003 4.0118 2004 3.4396 2005 3.6467 2006 2.87 2007 3.5501 2008 2.9049 2009 3.0068 2010 2.5706 2011 2.0897 2012 1.5373 2013 1.4263 2014 0.8339 2015 0.5727