Year Number 2004-01-01 744859 2005-01-01 774973 2006-01-01 773420 2007-01-01 928849 2008-01-01 1031959 2009-01-01 1111529 2010-01-01 1065986 2011-01-01 1190956 2012-01-01 1386526 2013-01-01 1501898 2014-01-01 1569662 2015-01-01 1709068 2016-01-01 1593465