Year Per 100 People 2000 0.0243 2001 0.06036 2002 0.14923 2003 0.33879 2004 2.30475 2005 6.91217 2006 10.80277 2007 14.45187 2008 16.88048 2009 19.41585 2010 21.46087 2011 23.74082 2012 25.09721 2013 26.95902 2014 28.25693 2015 27.7885 2016 28.9321 2017 28.82379