Year Per 100,000 People 1959 0.4099 1960 0.3543 1961 0.3691 1962 0.4424 1963 0.2551 1964 0.2861 1965 0.341 1966 0.3971 1967 0.2457 1968 0.3394 1969 0.3524 1970 0.4361 1971 0.5587 1972 0.321 1973 0.3944 1974 0.5366 1975 0.4375 1976 0.3496 1977 0.3406 1978 0.3075 1979 0.32 1983 0.3419 1984 0.443 1985 0.3498 1986 0.47 1987 0.3554 1988 0.4376 1989 0.4212 1990 0.7377 1991 0.4766 1992 0.4976 1993 0.4259 1994 0.4811 1995 0.5399 1996 0.5754 1999 0.5914 2000 0.4208 2001 0.4244 2002 0.439 2003 0.4389 2004 0.3034 2005 0.3102 2006 0.2606 2007 0.2884 2008 0.2394 2009 0.152 2010 0.2586 2011 0.191 2012 0.1952 2013 0.1815 2014 0.0895 2015 0.0936