Year Per 100,000 People 1951 5.3086 1952 4.5659 1953 4.4165 1954 3.8552 1955 4.1511 1956 3.7504 1957 3.6928 1958 3.3248 1959 2.8012 1960 3.8362 1961 2.9608 1962 2.8778 1963 2.2789 1964 2.1849 1965 2.1686 1966 2.152 1967 1.7525 1968 1.8862 1969 1.9156 1971 1.7288 1972 1.9698 1973 1.7634 1974 1.7284 1975 1.7258 1976 1.7179 1977 2.115 1978 2.6498 1979 2.5904 1980 3.07 1981 3.4001 1982 3.4523 1983 3.7576 1984 4.3814 1985 3.9915 1986 4.8529 1987 5.008 1988 5.7457 1989 5.605 1990 5.4293 1991 5.407 1992 4.9062 1993 5.5082 1994 5.5865 1995 6.0419 1996 6.2348 1997 6.1946 1998 6.0512 1999 5.0422 2000 5.6852 2001 4.6852 2002 4.9898 2003 4.8507 2004 4.9957 2005 4.5744 2006 4.0149 2007 3.4561 2008 4.0486 2009 4.1106 2010 2.7935 2011 2.9734 2012 3.8261 2013 3.9904 2014 4.347 2015 4.0796