Year Number per 1,000 adults 2004-01-01 339.28700000000000 2005-01-01 235.56099999999998 2006-01-01 266.36500000000000 2007-01-01 307.50700000000000 2008-01-01 365.98500000000000 2009-01-01 366.99800000000005 2010-01-01 416.98300000000000 2011-01-01 467.58400000000000 2012-01-01 531.33400000000010 2013-01-01 601.75000000000000 2014-01-01 686.11000000000000 2015-01-01 747.54300000000000 2016-01-01 824.19500000000000