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 0.01083 1990 0.01512 1991 0.01847 1992 0.03178 1993 0.09926 1994 0.82486 1995 1.27114 1996 2.22152 1997 4.20551 1998 7.52049 1999 11.51385 2000 18.23597 2001 23.25536 2002 29.13697 2003 35.38395 2004 43.19197 2005 69.56073 2006 80.34505 2007 84.79132 2008 89.26423 2009 91.10311 2010 97.64918 2011 122.45636 2012 129.04963 2013 142.9589 2014 145.36369 2015 159.15634 2016 147.12521 2017 161.9938