Year Per 100,000 People 1980 46.1338 1981 43.8585 1982 49.2597 1983 49.6795 1984 49.7561 1985 42.775 1986 37.183 1987 38.5564 1988 36.9974 1989 41.6821 1990 39.8293 1991 38.1213 1992 49.9352 1993 52.7507 1994 51.8261 1995 51.9332 1996 46.4298 1997 45.616 1998 38.1681 1999 42.7449 2000 45.2621 2001 38.0282 2002 34.3326 2003 33.5642 2004 36.1782 2005 33.7692 2006 28.0169 2007 26.2182 2008 31.0833 2009 28.2677 2010 25.054 2011 27.879 2012 25.8025 2013 22.7276 2014 22.2699 2015 25.8053