Year Number of Firms 1992-01-01 76 1997-01-01 201 2002-01-01 355 2003-01-01 469 2004-01-01 523 2005-01-01 576 2006-01-01 683 2007-01-01 733 2008-01-01 722 2009-01-01 716 2010-01-01 742 2011-01-01 764 2012-01-01 756 2013-01-01 756 2014-01-01 753 2015-01-01 752 2016-01-01 731