Year Number 2005-01-01 256093 2006-01-01 269314 2007-01-01 298170 2008-01-01 337233 2009-01-01 380458 2010-01-01 401757 2011-01-01 338708 2012-01-01 530851 2013-01-01 454602 2014-01-01 533811 2015-01-01 559742 2016-01-01 529961