Year Number of Firms 1992-01-01 285 1997-01-01 508 2002-01-01 617 2003-01-01 632 2004-01-01 722 2005-01-01 720 2006-01-01 769 2007-01-01 757 2008-01-01 835 2009-01-01 781 2010-01-01 842 2011-01-01 889 2012-01-01 935 2013-01-01 1015 2014-01-01 1024 2015-01-01 1064 2016-01-01 1005