Year Per 100 People 2004 0.39893 2005 1.06824 2006 2.76046 2007 3.86903 2008 3.76795 2009 5.00253 2010 7.43176 2011 10.24893 2012 11.46123 2013 13.37897 2014 12.68257 2015 14.31589 2016 14.89472 2017 16.06658