Year Per 100,000 People 1955 20.536 1956 19.2653 1957 21.1849 1958 23.0074 1959 25.006 1960 24.0898 1961 24.439 1962 23.8084 1963 25.5552 1964 26.8149 1965 27.7503 1966 27.1325 1967 28.5757 1968 30.4461 1969 29.7192 1970 30.7446 1971 31.8152 1972 32.423 1973 32.0532 1974 35.1149 1975 33.1808 1976 34.7813 1977 34.3946 1978 37.1941 1979 38.4571 1980 38.9284 1981 39.2628 1982 37.2695 1983 39.7564 1984 39.5804 1985 38.0769 1986 38.7941 1987 38.5815 1988 35.1741 1989 35.2725 1990 33.4557 1991 32.3228 1992 32.4833 1993 29.846 1994 29.1388 1995 26.6349 1996 26.9385 1997 25.0486 1998 25.7592 1999 26.8025 2000 26.1749 2001 23.2399 2002 22.2801 2003 21.4924 2004 21.3095 2005 20.1465 2006 18.8449 2007 18.447 2008 18.5879 2009 18.9767 2010 18.7213 2011 18.3181 2012 17.3997 2013 15.3144 2014 14.236 2015 13.6959 2016 12.6864