Year Per 100 People 2005 1.24353 2007 2.88175 2008 6.39869 2009 9.52538 2010 10.35825 2011 10.34621 2012 14.01181 2013 15.26422 2014 16.54728 2015 17.89206 2016 18.27001 2017 21.84972