Year Number per 100,000 adults 2006-01-01 24.5783 2007-01-01 24.6693 2008-01-01 24.6128 2009-01-01 24.1864 2010-01-01 24.0506 2011-01-01 24.1750 2012-01-01 24.2393 2013-01-01 24.1518 2014-01-01 23.9092 2015-01-01 23.6249 2016-01-01 22.9411