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 0.00032 1996 0.02132 1997 0.05134 1998 0.16458 1999 0.42611 2000 3.30867 2001 5.3757 2002 8.09806 2003 11.40897 2004 18.88949 2005 26.21161 2006 32.76817 2007 45.60402 2008 58.94324 2009 52.15791 2010 62.44593 2011 78.90534 2012 87.98587 2013 90.78749 2014 91.8472 2015 91.32207 2016 93.32157 2017 90.4166