Year Number per 100,000 adults 2004-01-01 6.915380000000000 2005-01-01 6.861439999999999 2006-01-01 6.892300000000000 2007-01-01 6.927620000000000 2008-01-01 6.977220000000000 2009-01-01 7.189340000000000 2010-01-01 7.443270000000000 2011-01-01 7.646220000000000 2012-01-01 7.845140000000000 2013-01-01 8.015320000000000 2014-01-01 8.210220000000000 2015-01-01 8.371080000000001 2016-01-01 8.440570000000000