Year Per 100,000 People 1967 16.4632 1968 19.2922 1969 21.1923 1970 19.5552 1971 20.1548 1972 17.3975 1973 16.4288 1974 16.8421 1975 13.4507 1976 17.3271 1977 20.3994 1978 25.8484 1979 24.6917 1980 17.691 1981 23.2699 1982 30.6675 1983 29.4388 1984 23.7124 1985 19.206 1986 17.8962 1987 21.813 1988 25.0696 1989 25.7181 1990 22.5541 1991 23.9132 1992 12.5525 1993 22.7962 1994 27.3302 1995 19.722 1996 21.8515 1997 25.9103 1998 20.034 1999 20.5808 2000 18.7574 2001 19.7539 2002 24.0486 2003 16.3893 2004 17.8473 2005 14.8908 2006 16.7426 2007 18.9834 2008 11.5476 2009 12.0642 2010 13.8722 2011 11.4598 2012 12.1522 2013 6.8391 2014 15.2231 2015 12.8987