Year Per 100,000 People 1950 2.1467 1951 1.8845 1952 1.9172 1953 1.6898 1954 2.1313 1955 2.3195 1956 1.9527 1957 1.9532 1958 2.2751 1959 1.9922 1960 1.9006 1961 1.8218 1962 1.5972 1963 1.6972 1964 1.6641 1965 1.554 1966 1.5505 1967 1.6268 1968 1.5267 1969 1.6276 1970 1.4667 1971 1.7097 1972 1.3992 1973 1.3963 1974 1.2854 1975 1.3364 1976 1.3822 1977 1.1978 1978 1.1775 1979 1.1001 1980 1.0572 1981 1.1968 1982 1.0146 1983 0.9472 1984 0.9968 1985 0.9324 1986 0.9416 1987 0.77 1988 0.6795 1989 0.5126 1990 0.5238 1991 0.4593 1992 0.4946 1993 0.5283 1994 0.5162 1995 0.3187 1996 0.503 1997 0.4455 1998 0.4252 1999 0.4728 2000 0.4651 2001 0.451 2002 0.5064 2003 0.4478 2004 0.4181 2005 0.3902 2006 0.3725 2007 0.3125 2008 0.3144 2009 0.2602 2010 0.2416 2011 0.2188 2012 0.2283 2013 0.1771 2014 0.1615 2015 0.1553