Year Per 100,000 People 1981 10.514 1982 10.1473 1985 9.1073 1986 9.9446 1987 9.8006 1988 8.8877 1989 8.2432 1990 6.2874 1991 8.3313 1992 6.4466 1993 6.6836 1994 7.3473 1995 7.7001 1996 5.7685 1997 5.8472 1998 5.6697 1999 4.7272 2000 3.7018 2001 4.8498 2002 4.6783 2003 4.0409 2004 4.5674 2005 4.4601 2006 4.4128 2007 3.7053 2008 4.6649 2009 4.3998 2010 4.5044 2011 3.2857 2012 4.9291 2013 4.1398 2014 3.7382 2015 4.2871 2016 3.7639