Year Number of Firms 1992-01-01 3394 1997-01-01 6098 2002-01-01 5088 2003-01-01 4843 2004-01-01 4413 2005-01-01 4428 2006-01-01 5005 2007-01-01 5871 2008-01-01 6138 2009-01-01 5607 2010-01-01 6023 2011-01-01 6288 2012-01-01 6070 2013-01-01 6257 2014-01-01 6056 2015-01-01 5675 2016-01-01 5431