Year Per 100,000 People 1950 11.6273 1951 12.5963 1952 11.5555 1953 12.4937 1954 13.0309 1955 15.3512 1956 14.5102 1957 15.2432 1958 16.5066 1959 19.7084 1960 20.8293 1961 21.0458 1962 18.7303 1963 18.7714 1964 22.2514 1965 22.5058 1966 22.2251 1967 21.0952 1968 18.7544 1969 19.1846 1970 20.2198 1971 20.7747 1972 20.8488 1973 21.745 1974 20.0764 1975 19.1478 1976 20.7613 1977 20.7025 1978 23.0108 1979 22.1347 1980 21.8676 1981 19.2777 1982 20.3737 1983 18.2947 1984 18.4409 1985 16.8649 1986 17.502 1987 17.2639 1988 15.5819 1989 16.9235 1990 17.4624 1991 16.9013 1992 14.2186 1993 12.0009 1994 11.7478 1995 11.6085 1996 12.0931 1997 12.2403 1998 10.8616 1999 11.0241 2001 9.6823 2002 10.655 2003 10.9718 2004 10.1522 2005 10.0228 2006 10.1583 2007 8.9797 2008 8.1447 2009 6.8327 2010 5.5395 2011 4.3128 2012 4.085 2013 3.872 2014 4.2467 2015 3.7377