Year Number of Firms 1992-01-01 757 1997-01-01 1011 2002-01-01 980 2003-01-01 959 2004-01-01 947 2005-01-01 872 2006-01-01 847 2007-01-01 838 2008-01-01 900 2009-01-01 870 2010-01-01 853 2011-01-01 860 2012-01-01 867 2013-01-01 915 2014-01-01 894 2015-01-01 902 2016-01-01 874