Year Number of Firms 1992-01-01 277 1997-01-01 338 2002-01-01 545 2003-01-01 520 2004-01-01 678 2005-01-01 699 2006-01-01 758 2007-01-01 831 2008-01-01 920 2009-01-01 918 2010-01-01 892 2011-01-01 824 2012-01-01 730 2013-01-01 707 2014-01-01 728 2015-01-01 798 2016-01-01 826