Year Number of Firms 1992-01-01 256 1997-01-01 365 2002-01-01 355 2003-01-01 388 2004-01-01 401 2005-01-01 421 2006-01-01 474 2007-01-01 502 2008-01-01 609 2009-01-01 583 2010-01-01 649 2011-01-01 725 2012-01-01 731 2013-01-01 747 2014-01-01 769 2015-01-01 708 2016-01-01 690