Year Per 100,000 People 1951 3.7131 1952 4.1567 1953 4.2291 1954 5.4973 1955 6.4781 1956 6.8116 1957 6.4711 1958 7.1539 1959 7.4833 1960 10.7139 1961 11.8799 1962 11.9864 1963 10.533 1964 11.2992 1965 11.8336 1966 12.4988 1967 14.4339 1968 10.0015 1969 14.2617 1971 14.2475 1972 16.2261 1973 20.3438 1974 16.1742 1975 17.3261 1976 19.7172 1977 21.9462 1978 23.2425 1979 22.3635 1980 26.7727 1981 25.843 1982 23.0781 1983 25.3814 1984 25.7175 1985 26.8481 1986 30.205 1987 35.1994 1988 37.952 1989 42.5266 1990 40.8551 1991 39.8055 1992 33.974 1993 29.0128 1994 24.7335 1995 24.9097 1996 22.6598 1997 22.4717 1998 25.5325 1999 21.6456 2000 22.1586 2001 20.3869 2002 18.9927 2003 20.0341 2004 16.8217 2005 15.815 2006 14.0515 2007 12.5592 2008 9.802 2009 7.7069 2010 6.3803 2011 5.4208 2012 4.3769 2013 3.7562 2014 3.5992 2015 4.5297