Year Number per 100,000 adults 2004-01-01 6.0646700000000000 2005-01-01 6.0526500000000000 2006-01-01 6.2070300000000005 2007-01-01 6.3551300000000000 2008-01-01 6.4956600000000000 2009-01-01 6.6318199999999990 2010-01-01 6.7645800000000005 2011-01-01 7.4576600000000010 2012-01-01 7.7396199999999995 2013-01-01 8.2010399999999990 2014-01-01 8.4602800000000010 2015-01-01 8.5294800000000000 2016-01-01 8.4278400000000000