Year Per 100,000 People 1981 38.4281 1982 34.3648 1985 36.7358 1986 33.3894 1987 33.3343 1988 34.0309 1989 37.09 1990 32.4336 1991 30.6445 1992 33.1187 1993 38.051 1994 40.7853 1995 43.2478 1996 40.2584 1997 40.4398 1998 42.0979 1999 38.1928 2000 39.1223 2001 38.7159 2002 37.9405 2003 36.0586 2013 23.1788 2014 18.5618 2015 18.5269