Year Number of Firms 1992-01-01 2721 1997-01-01 4697 2002-01-01 5864 2003-01-01 5904 2004-01-01 6370 2005-01-01 6555 2006-01-01 6592 2007-01-01 6954 2008-01-01 6975 2009-01-01 6802 2010-01-01 7290 2011-01-01 7400 2012-01-01 7615 2013-01-01 7571 2014-01-01 7799 2015-01-01 7609 2016-01-01 7378