Year Number per 100,000 adults 2004-01-01 2.5307900000000000 2005-01-01 2.6750800000000000 2006-01-01 2.7399299999999998 2007-01-01 2.9055800000000000 2008-01-01 3.1102300000000000 2009-01-01 3.4845200000000000 2010-01-01 3.8579400000000000 2011-01-01 4.1441300000000005 2012-01-01 4.3395800000000010 2013-01-01 4.5198000000000000