Year Number of Firms 1992-01-01 73 1997-01-01 204 2002-01-01 429 2003-01-01 454 2004-01-01 502 2005-01-01 530 2006-01-01 599 2007-01-01 648 2008-01-01 681 2009-01-01 688 2010-01-01 767 2011-01-01 775 2012-01-01 819 2013-01-01 799 2014-01-01 822 2015-01-01 788 2016-01-01 749