Year Per 100,000 People 1950 4.3666 1951 4.9149 1952 7.1186 1953 4.3952 1954 5.2195 1955 6.8807 1956 4.4451 1957 6.4659 1958 5.8463 1959 6.4685 1960 6.4021 1961 7.4382 1962 5.5047 1963 6.162 1964 5.0457 1965 6.35 1966 4.4103 1967 6.3321 1968 5.6133 1969 9.0547 1970 7.6269 1971 7.324 1972 7.8814 1973 7.7633 1974 7.9552 1975 9.7966 1976 8.761 1977 14.0697 1978 10.6061 1979 9.798 1980 14.2431 1981 10.625 1982 11.8104 1983 12.6647 1984 14.1684 1985 12.8751 1986 15.7323 1987 20.7437 1988 21.5502 1989 23.3357 1990 21.9235 1991 22.0622 1992 23.359 1993 20.7028 1994 22.6496 1995 26.5878 1996 25.7724 1997 27.1212 1998 26.7264 1999 23.1865 2000 20.8615 2001 21.47 2002 18.497 2003 17.482 2004 19.4489 2005 19.5261 2006 19.8996 2007 15.3032 2008 18.8357 2009 16.4564 2010 17.377 2011 19.0761 2012 20.8625 2013 15.9303