Year Number per 100,000 adults 2004-01-01 1.9839099999999998 2005-01-01 2.5080700000000000 2006-01-01 2.9122900000000000 2007-01-01 3.0829200000000000 2008-01-01 3.7329000000000000 2009-01-01 3.9062800000000000 2010-01-01 4.1468400000000000 2011-01-01 4.4365000000000000 2012-01-01 4.6513800000000005 2013-01-01 4.5615300000000000 2014-01-01 4.6058000000000000 2015-01-01 4.9250400000000000 2016-01-01 4.9628100000000000