Year Number of Firms 1992-01-01 277 1997-01-01 442 2002-01-01 566 2003-01-01 537 2004-01-01 555 2005-01-01 605 2006-01-01 633 2007-01-01 694 2008-01-01 795 2009-01-01 771 2010-01-01 854 2011-01-01 876 2012-01-01 876 2013-01-01 902 2014-01-01 942 2015-01-01 968 2016-01-01 967