Year Per 100 People 2001 0.06572 2002 0.15878 2003 0.20385 2004 0.29575 2005 0.28361 2006 0.88768 2007 2.46754 2008 4.04035 2009 5.39249 2010 6.24086 2011 6.91074 2012 8.73314 2013 9.75038 2014 9.85237 2015 11.29689 2016 10.18619 2017 7.586