Year Number per 1,000 adults 2004-01-01 468.63699999999994 2005-01-01 505.07300000000004 2006-01-01 546.06400000000000 2007-01-01 605.85600000000000 2008-01-01 619.01200000000000 2009-01-01 676.96399999999990 2010-01-01 694.17200000000000 2011-01-01 719.09100000000000 2012-01-01 799.51600000000010 2013-01-01 855.22700000000000 2014-01-01 902.53900000000000 2015-01-01 947.90600000000010 2016-01-01 982.78400000000000