Year Per 100,000 People 1951 7.9196 1952 8.1007 1953 9.7035 1954 9.1034 1955 10.484 1956 13.2555 1957 14.9247 1958 13.5463 1959 12.9781 1960 12.9551 1961 15.8522 1962 14.0709 1963 16.8074 1964 16.986 1965 17.3764 1966 17.7592 1967 17.9735 1968 18.5919 1969 19.0183 1970 22.6999 1971 20.1164 1972 19.0896 1973 20.2114 1974 19.0215 1975 18.4906 1976 17.445 1977 15.8314 1978 15.4929 1979 16.5426 1980 13.6209 1981 13.2003 1982 14.4317 1983 14.2183 1984 15.05 1985 14.0528 1986 19.6453 1987 18.4496 1988 16.0171 1989 16.5817 1990 15.8597 1991 13.0039 1992 13.6918 1993 12.2516 1994 12.1458 1995 12.2188 1996 7.7039 1997 9.866 1998 12.0465 1999 10.0339 2000 11.6592 2001 8.8 2002 11.0992 2003 9.6932 2004 8.7958 2005 7.0846 2006 6.8264 2007 6.6266 2008 8.0601 2009 6.9089 2010 5.8094 2011 4.2028 2012 4.1087 2013 4.8466 2014 3.7728 2015 3.2856