Year Per 100,000 People 1975 19.5909 1976 13.5296 1977 15.1557 1978 13.0126 1979 12.5188 1980 12.4528 1981 13.8127 1982 18.9424 1983 16.2516 1984 15.4166 1985 12.5319 1986 14.1379 1987 13.9184 1988 13.3547 1989 14.6752 1990 12.3004 1991 9.3033 1992 10.3894 1993 15.6426 1994 16.6552 1995 14.7419 1996 12.0329 1997 12.8663 1998 10.1273 1999 8.597 2000 9.5213 2001 12.1009 2002 11.5866 2003 7.5243 2004 9.148 2005 8.1201 2006 8.6665 2007 7.3607 2008 6.2491 2009 5.0153 2010 5.6631 2011 5.5606 2012 3.8737 2013 5.8854 2014 3.8969 2015 4.4909