Year Number per 100,000 adults 2004-01-01 1.8181200000000002 2005-01-01 1.7346099999999998 2006-01-01 1.4260899999999999 2007-01-01 1.4513500000000000 2008-01-01 1.4814900000000000 2009-01-01 1.5017200000000002 2010-01-01 1.5432800000000000 2011-01-01 1.6904200000000000 2012-01-01 1.8746200000000002 2013-01-01 2.7622100000000000 2014-01-01 3.4169000000000000 2015-01-01 3.3787599999999998 2016-01-01 3.4106500000000000