Year Number per 100,000 adults 2004-01-01 18.4136 2005-01-01 20.8798 2006-01-01 22.6261 2007-01-01 24.0228 2008-01-01 23.8247 2009-01-01 20.2777 2010-01-01 19.4694 2011-01-01 17.3515 2012-01-01 16.0191 2013-01-01 13.9501 2014-01-01 12.3922 2015-01-01 11.1491 2016-01-01 10.4236