Year Number per 100,000 adults 2004-01-01 1.7979400000000000 2005-01-01 2.0190799999999998 2006-01-01 2.0512000000000000 2007-01-01 2.3771400000000003 2008-01-01 2.5115700000000000 2009-01-01 2.8697800000000000 2010-01-01 3.2866900000000000 2011-01-01 3.5085500000000000 2012-01-01 3.7262300000000000 2013-01-01 3.7374099999999997 2014-01-01 3.9704599999999997 2015-01-01 4.1237400000000000 2016-01-01 4.1953800000000000