Year Number of Firms 1992-01-01 29634 1997-01-01 50726 2002-01-01 55638 2003-01-01 56758 2004-01-01 58917 2005-01-01 59406 2006-01-01 60955 2007-01-01 65418 2008-01-01 70024 2009-01-01 67946 2010-01-01 72092 2011-01-01 75299 2012-01-01 75213 2013-01-01 75351 2014-01-01 75909 2015-01-01 73722 2016-01-01 72665