Year Number per 100,000 adults 2004-01-01 25.6993 2005-01-01 25.4488 2006-01-01 23.4219 2007-01-01 26.3441 2008-01-01 26.9614 2009-01-01 26.0216 2010-01-01 25.1421 2011-01-01 24.2968 2012-01-01 23.5225 2013-01-01 24.1111 2014-01-01 23.3741 2015-01-01 21.0150 2016-01-01 20.4248