Year Per 100 People 2000 0.00072 2001 0.0018 2002 0.00564 2003 0.03969 2004 0.17552 2005 0.36234 2006 1.05835 2007 2.24406 2008 5.00744 2009 7.79683 2010 10.50223 2011 11.6634 2012 12.86654 2013 14.31634 2014 15.21045 2015 17.95798 2016 18.83715 2017 18.92406