Year Per 100,000 People 1953 2.4539 1955 1.4645 1957 1.3342 1963 1.3126 1964 0.7592 1966 1.1908 1968 3.4491 1971 1.358 1973 2.535 1974 4.6405 1975 1.3232 1976 2.963 1977 1.041 1978 0.7613 1979 1.8747 1980 1.4776 1981 3.1309 1983 1.5122 1985 2.3354 1986 0.842 1987 1.606 1988 1.47 1990 0.9289 1991 3.2365 1992 1.7852 1993 0.6977 1996 0.9094 1997 2.1977 1999 0.6463 2000 2.6316 2001 1.4547 2002 2.6263 2004 0.5824 2005 2.0526 2006 0.6528 2007 1.1845 2009 0.6437 2010 1.1385 2011 1.3051 2013 0.78 2015 1.4752