Year Per 100,000 People 1952 1.5482 1953 3.3633 1957 1.461 1958 1.374 1959 1.4326 1961 1.289 1965 1.1966 1971 1.2991 1973 3.3406 1976 1.0105 1977 0.8305 1978 2.0023 1979 1.5969 1984 0.9401 1986 1.5875 1988 2.2228 1991 0.8141 1992 0.8282 1999 0.3772 2000 1.5829 2002 0.7973 2004 2.2687 2008 0.6563 2011 0.7078 2012 0.6745 2014 0.7027 2016 0.4868