Year Number per 100,000 adults 2004-01-01 2.7356000000000000 2005-01-01 2.6276900000000003 2006-01-01 2.7213400000000000 2007-01-01 3.5512900000000003 2008-01-01 4.1216500000000000 2009-01-01 4.4159700000000000 2010-01-01 4.7123900000000000 2011-01-01 4.9794700000000000 2012-01-01 5.2524200000000000 2013-01-01 5.3463800000000000 2014-01-01 5.5447100000000000 2015-01-01 5.6521099999999995 2016-01-01 5.4314599999999995