Year Number of Firms 1992-01-01 3268 1997-01-01 4876 2002-01-01 4827 2003-01-01 4974 2004-01-01 5148 2005-01-01 5134 2006-01-01 5325 2007-01-01 5623 2008-01-01 5859 2009-01-01 5660 2010-01-01 6218 2011-01-01 6489 2012-01-01 6318 2013-01-01 6148 2014-01-01 6164 2015-01-01 5815 2016-01-01 5725