Year Number per 100,000 adults 2004-01-01 4.259360000000000 2005-01-01 4.510260000000000 2006-01-01 5.253060000000000 2007-01-01 6.185180000000000 2008-01-01 7.401950000000000 2009-01-01 7.732970000000000 2010-01-01 9.459010000000001 2011-01-01 9.161260000000000 2012-01-01 8.762590000000000 2013-01-01 9.171820000000000 2014-01-01 8.960460000000001 2015-01-01 9.027989999999999 2016-01-01 8.105710000000000