Year Number per 100,000 adults 2004-01-01 24.151100000000000 2005-01-01 20.804000000000002 2006-01-01 20.661200000000000 2007-01-01 22.057000000000000 2008-01-01 23.403100000000000 2009-01-01 21.639300000000000 2010-01-01 21.460900000000000 2011-01-01 21.348000000000003 2012-01-01 19.723300000000000 2013-01-01 21.123100000000000 2014-01-01 17.982900000000000 2015-01-01 29.715000000000000