Year Number of Firms 1992-01-01 641 1997-01-01 758 2002-01-01 828 2003-01-01 468 2004-01-01 692 2005-01-01 771 2006-01-01 795 2007-01-01 776 2008-01-01 807 2009-01-01 701 2010-01-01 677 2011-01-01 756 2012-01-01 729 2013-01-01 565 2014-01-01 486 2015-01-01 304 2016-01-01 217