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 0.00318 1994 0.01695 1995 0.05814 1996 0.06477 1997 0.08108 1998 0.12115 1999 0.23488 2000 0.49683 2001 1.40109 2002 4.71728 2003 11.47838 2004 23.14054 2005 42.60751 2006 62.24515 2007 72.97996 2008 85.49192 2009 102.10791 2010 109.07656 2011 112.95242 2012 112.71933 2013 117.25451 2014 120.21198 2015 120.68898 2016 120.67316 2017 120.56119