Year Number per 100,000 adults 2004-01-01 0.3918470000000000 2005-01-01 0.7635149999999999 2006-01-01 0.7243790000000000 2007-01-01 1.0680100000000001 2008-01-01 4.5735400000000000 2009-01-01 4.9061200000000000 2010-01-01 4.9099699999999995 2011-01-01 5.4676599999999995 2012-01-01 5.6329000000000000 2013-01-01 5.9625100000000000 2014-01-01 5.8334100000000000 2015-01-01 6.1005500000000000 2016-01-01 6.1597700000000000