Year Number per 100,000 adults 2004-01-01 9.490610000000000 2005-01-01 10.934200000000000 2006-01-01 13.196000000000000 2007-01-01 16.168200000000000 2008-01-01 20.874400000000000 2009-01-01 19.897000000000002 2010-01-01 20.474700000000000 2011-01-01 22.877500000000000 2012-01-01 27.266100000000000 2013-01-01 32.332800000000000 2014-01-01 32.263500000000000 2015-01-01 32.136500000000000 2016-01-01 32.674600000000000