Year Number of Firms 1992-01-01 252 1997-01-01 513 2002-01-01 639 2003-01-01 624 2004-01-01 742 2005-01-01 731 2006-01-01 716 2007-01-01 737 2008-01-01 845 2009-01-01 836 2010-01-01 872 2011-01-01 933 2012-01-01 989 2013-01-01 978 2014-01-01 995 2015-01-01 1042 2016-01-01 1125