Year Per 100,000 People 1951 9.5862 1952 9.6744 1953 10.2685 1954 11.4791 1955 10.9128 1956 11.0173 1957 10.8813 1958 10.8853 1959 10.9423 1960 9.9233 1961 10.125 1962 11.8352 1963 10.9407 1964 10.5725 1965 11.2586 1966 9.9173 1967 9.6802 1968 11.6241 1969 12.2323 1970 11.3117 1971 11.6988 1972 12.3021 1973 12.6015 1974 15.6802 1975 13.5776 1976 15.1694 1977 16.3441 1978 16.5088 1979 16.3052 1980 17.1969 1981 18.2077 1982 19.6345 1983 20.0288 1984 20.2546 1985 19.7184 1986 19.1134 1987 21.4756 1988 22.8031 1989 20.9962 1990 21.0701 1991 21.7332 1992 19.2692 1993 19.006 1994 16.5459 1995 17.4905 1996 16.3258 1997 16.1248 1998 17.1329 1999 18.4152 2000 17.4733 2001 16.8898 2002 14.738 2003 15.4835 2004 14.7232 2005 14.749 2006 15.682 2007 13.1801 2008 13.2965 2009 15.2997 2010 14.2488 2011 15.7737 2012 13.1118 2013 13.074 2014 13.5725 2015 13.1712