Year Number of Firms 1992-01-01 242 1997-01-01 372 2002-01-01 364 2003-01-01 381 2004-01-01 405 2005-01-01 404 2006-01-01 416 2007-01-01 428 2008-01-01 536 2009-01-01 528 2010-01-01 654 2011-01-01 650 2012-01-01 652 2013-01-01 678 2014-01-01 665 2015-01-01 711 2016-01-01 647