Year Number of Firms 1992-01-01 433 1997-01-01 848 2002-01-01 736 2003-01-01 740 2004-01-01 622 2005-01-01 576 2006-01-01 602 2007-01-01 707 2008-01-01 705 2009-01-01 641 2010-01-01 655 2011-01-01 658 2012-01-01 657 2013-01-01 647 2014-01-01 609 2015-01-01 589 2016-01-01 527