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 0.0154 1995 0.02625 1996 0.09738 1997 0.38102 1998 0.61028 1999 0.75385 2000 1.45557 2001 3.11098 2002 3.3525 2003 5.01343 2004 7.29085 2005 12.08505 2006 21.60009 2007 41.32937 2008 59.02901 2009 71.3214 2010 72.48702 2011 74.23742 2012 76.06909 2013 84.25892 2014 87.85894 2015 93.52112 2016 100.30248 2017 107.32321