Year Per 100 People 1965 0.76326 1970 1.494 1975 2.99005 1976 3.53512 1977 4.21347 1978 5.07939 1979 6.11114 1980 7.10768 1981 8.45271 1982 10.41255 1983 12.09975 1984 13.88317 1985 15.97065 1986 18.22346 1987 20.68919 1988 24.4851 1989 27.7479 1990 30.93076 1991 33.59434 1992 35.5581 1993 37.63159 1994 39.36702 1995 41.06131 1996 42.83671 1997 44.20078 1998 43.08309 1999 54.48083 2000 54.57905 2001 54.02116 2002 53.60933 2003 52.06174 2004 48.5952 2005 49.07799 2006 45.87605 2007 46.89264 2008 49.48818 2009 54.46388 2010 57.60147 2011 59.23953 2012 60.2559 2013 60.4615 2014 58.51126 2015 57.08775 2016 55.19697 2017 52.6516