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 0.62036 1992 0.94431 1993 1.41793 1994 1.98936 1995 2.83746 1996 3.25767 1997 4.56915 1998 5.76823 1999 9.53289 2000 28.85133 2001 59.98071 2002 68.99002 2003 71.92066 2004 75.57079 2005 79.64365 2006 84.87577 2007 89.81439 2008 93.5719 2009 101.94133 2010 109.48523 2011 124.7106 2012 126.48334 2013 131.51973 2014 128.35233 2015 122.5775 2016 131.49533 2017 129.98248