Year Per 100,000 People 1951 9.4262 1952 11.6322 1953 14.1184 1954 17.0501 1955 19.5948 1956 19.2835 1957 19.3719 1958 19.7778 1959 19.318 1960 21.2223 1961 23.7993 1962 24.5751 1963 26.0976 1964 25.7921 1965 23.382 1966 22.7344 1967 24.2425 1968 23.923 1969 25.4956 1970 26.8013 1971 26.294 1972 29.209 1973 28.7103 1974 24.0344 1975 24.7478 1976 23.5894 1977 22.0693 1978 22.1682 1979 27.1271 1980 27.6819 1981 26.0606 1982 24.9447 1983 24.976 1984 23.7289 1985 24.2983 1986 23.2798 1987 22.7179 1988 22.8192 1989 24.5668 1990 24.7713 1991 27.8942 1992 28.6428 1993 24.532 1994 23.2873 1995 23.5155 1996 21.958 1997 21.9283 1998 23.8244 1999 22.5969 2000 22.9292 2001 22.8047 2002 23.5684 2003 19.8154 2004 18.3468 2005 18.4384 2006 17.0991 2007 16.4054 2008 14.4652 2009 12.63 2010 11.2363 2011 11.0562 2012 9.015 2013 7.7162 2014 7.2787 2015 7.3394