Year Per 100,000 People 1959 2.2175 1960 2.3727 1961 3.51 1962 3.0758 1963 2.9408 1964 3.3315 1965 3.9501 1966 4.1745 1967 4.5458 1968 5.102 1969 5.1103 1970 5.033 1971 5.9091 1983 5.4324 1984 4.9199 1985 4.7842 1986 4.6809 1987 4.1455 1988 4.2083 1989 5.7419 1990 5.7841 1991 6.0339 1992 5.3315 1993 5.0446 1994 4.5166 1995 4.9894 1996 4.685 1999 3.8851 2000 3.2022 2001 3.4206 2002 3.4884 2003 3.1633 2004 3.4674 2005 2.7394 2006 2.3597 2007 2.7134 2008 2.5334 2009 2.1471 2010 1.8898 2011 1.9441 2012 1.6959 2013 1.6563 2014 1.6602 2015 1.4914