Year Per 100,000 People 1955 29.7881 1956 28.827 1957 31.7817 1958 33.8167 1959 37.9112 1960 35.625 1961 36.4107 1962 35.4483 1963 37.4664 1964 40.1114 1965 41.3265 1966 40.2672 1967 43.2576 1968 46.6675 1969 45.4248 1970 47.3946 1971 48.4163 1972 49.3848 1973 49.39 1974 53.945 1975 51.1001 1976 52.7862 1977 50.6861 1978 55.5126 1979 58.4753 1980 59.1709 1981 58.1666 1982 56.7348 1983 61.1252 1984 61.6975 1985 61.0501 1986 59.784 1987 59.7004 1988 52.3517 1989 55.2026 1990 53.5362 1991 51.6229 1992 52.8319 1993 48.688 1994 48.544 1995 43.6826 1996 44.2168 1997 41.8432 1998 43.2671 1999 45.6281 2000 43.9832 2001 39.5662 2002 38.0337 2003 36.9221 2004 35.9843 2005 34.5404 2006 31.3712 2007 31.5907 2008 31.8372 2009 32.0633 2010 32.0617 2011 30.7389 2012 29.5093 2013 25.4858 2014 23.8956 2015 22.5692 2016 20.8769