Year Number per 100,000 adults 2004-01-01 2.5604800000000000 2005-01-01 2.4372599999999998 2006-01-01 2.3719700000000000 2007-01-01 2.3746300000000000 2008-01-01 2.3808800000000000 2009-01-01 2.5094400000000000 2010-01-01 2.9392000000000000 2011-01-01 3.0356700000000000 2012-01-01 3.0726200000000000 2013-01-01 3.1771800000000000 2014-01-01 3.2393900000000000 2015-01-01 3.3607900000000000