Year Number of Firms 1992-01-01 105 1997-01-01 246 2002-01-01 214 2003-01-01 230 2004-01-01 270 2005-01-01 326 2006-01-01 384 2007-01-01 498 2008-01-01 708 2009-01-01 507 2010-01-01 535 2011-01-01 586 2012-01-01 560 2013-01-01 574 2014-01-01 625 2015-01-01 601 2016-01-01 677