Year Per 100 People 2002 0 2003 0 2004 0 2005 0 2006 0 2007 1.22355 2008 2.43247 2009 4.70936 2010 7.63381 2011 8.76846 2012 9.68564 2013 9.09763 2014 20.20494 2015 21.93049 2016 21.64261