Year Number per 100,000 adults 2004-01-01 1.1674000000000000 2005-01-01 1.1955900000000000 2006-01-01 1.5821600000000000 2007-01-01 2.8763099999999997 2008-01-01 3.7879900000000000 2009-01-01 3.9603200000000000 2010-01-01 4.1469600000000000 2011-01-01 4.3742900000000000 2012-01-01 4.4073199999999995 2013-01-01 4.5074100000000000 2014-01-01 4.8359200000000000 2015-01-01 5.2099100000000000 2016-01-01 5.5819500000000000