Year Per 100,000 People 1950 2.3298 1951 1.9927 1952 1.9446 1953 2.0448 1954 2.1193 1955 2.2966 1956 2.004 1957 2.087 1958 2.1193 1959 1.9947 1960 2.0005 1961 1.75 1962 1.6851 1963 1.6285 1964 1.7064 1965 1.6082 1966 1.6947 1967 1.6135 1968 1.8694 1969 1.5309 1970 1.8021 1971 1.6206 1972 1.6367 1973 1.6718 1974 1.8516 1975 2.0232 1976 1.9611 1977 1.963 1978 1.9647 1979 1.506 1980 1.4649 1981 1.3332 1982 1.3476 1983 1.5472 1984 1.3462 1985 1.0461 1986 1.1036 1987 0.9763 1988 1.027 1989 0.9011 1990 0.7419 1991 0.6515 1992 0.8619 1993 0.8097 1994 0.684 1995 0.5822 1996 0.5802 1997 0.6231 1998 0.7265 1999 0.531 2000 0.5748 2001 0.5498 2002 0.5177 2003 0.6366 2004 0.4961 2005 0.4627 2006 0.5293 2007 0.3505 2008 0.5065 2009 0.3346 2010 0.356 2011 0.2635 2012 0.3174 2013 0.2573 2014 0.2799 2015 0.273