Year Number of Firms 1992-01-01 627 1997-01-01 654 2002-01-01 681 2003-01-01 731 2004-01-01 722 2005-01-01 754 2006-01-01 745 2007-01-01 795 2008-01-01 821 2009-01-01 735 2010-01-01 767 2011-01-01 781 2012-01-01 751 2013-01-01 756 2014-01-01 751 2015-01-01 662 2016-01-01 687