Year Per 100 People 1960 0 1965 0 1970 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0 1996 0 1997 0.04897 1998 0.15975 1999 1.44224 2000 2.17997 2001 2.5392 2002 2.71012 2003 2.87838 2004 3.33199 2005 5.00084 2006 6.47005 2007 9.19477 2008 12.20434 2009 28.89809 2010 54.66298 2011 63.94818 2012 85.74593 2013 90.55871 2014 76.55658 2015 80.8585 2016 79.74388 2017 85.25218