Year Per 100,000 People 1968 3.6386 1970 1.7766 1971 3.5595 1972 1.5658 1973 1.5767 1976 1.5584 1978 1.4782 1980 2.9464 1982 1.3969 1983 2.9887 1984 4.335 1985 1.4324 1986 3.2206 1987 1.6172 1988 1.5967 1989 4.5427 1990 7.1436 1992 1.4572 1995 2.6351 1998 2.5565 2001 1.2451 2002 3.5724 2005 1.0772 2006 1.0451 2007 2.0427 2008 1.9961 2009 2.9118 2010 1.8546 2014 1.6282 2015 0.832