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 0.00506 1997 0.01409 1998 0.02489 1999 0.04463 2000 0.21748 2001 0.63783 2002 0.90305 2003 1.88148 2004 3.03854 2005 4.72029 2006 7.35116 2007 13.03701 2008 20.58684 2009 25.25329 2010 36.57655 2011 47.7686 2012 60.20141 2013 65.8412 2014 71.04747 2015 79.77029 2016 82.61119 2017 93.50293