Year Number per 100,000 adults 2004-01-01 4.477600000000000 2005-01-01 5.101190000000000 2006-01-01 5.729490000000000 2007-01-01 5.914990000000000 2008-01-01 6.283770000000000 2009-01-01 6.901210000000001 2010-01-01 8.598320000000000 2011-01-01 9.298430000000000 2012-01-01 9.710460000000001 2013-01-01 11.484300000000000 2014-01-01 15.053800000000000 2015-01-01 15.320800000000000