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 0.10014 1992 0.30941 1993 0.61158 1994 1.03882 1995 1.77888 1996 2.13271 1997 2.55119 1998 3.01084 1999 5.47987 2000 13.81147 2001 22.33185 2002 46.18813 2003 58.11442 2004 67.33976 2005 72.19308 2006 82.40652 2007 96.71637 2008 97.60588 2009 105.41992 2010 112.94845 2011 104.09621 2012 95.56303 2013 99.80325 2014 105.01043 2015 109.23695 2016 113.39609 2017 106.95163