Year Number of Firms 1992-01-01 343 1997-01-01 484 2002-01-01 563 2003-01-01 571 2004-01-01 609 2005-01-01 674 2006-01-01 710 2007-01-01 765 2008-01-01 794 2009-01-01 767 2010-01-01 800 2011-01-01 829 2012-01-01 791 2013-01-01 746 2014-01-01 788 2015-01-01 749 2016-01-01 779