Year Per 100,000 People 1959 12.4185 1960 14.9886 1961 16.6729 1962 17.2334 1963 15.3875 1964 15.5345 1965 16.393 1966 17.5586 1967 17.8874 1968 19.7626 1969 19.9769 1970 18.8676 1971 20.1874 1972 19.1468 1973 18.8282 1974 18.774 1975 19.0487 1976 20.6649 1977 20.8451 1978 22.0665 1979 19.9664 1983 18.8291 1984 22.5713 1985 22.1589 1986 22.2185 1987 22.5417 1988 20.6751 1989 18.8612 1990 22.4863 1991 24.8378 1992 25.761 1993 26.1838 1994 24.2317 1995 24.8244 1996 25.2001 1999 24.3591 2000 25.5351 2001 26.8481 2002 25.5981 2003 25.5116 2004 26.6596 2005 26.5777 2006 25.6334 2007 22.415 2008 24.7709 2009 28.7316 2010 28.8452 2011 27.193 2012 28.4783 2013 27.5713 2014 25.4635 2015 22.4538