Year Number of Firms 1992-01-01 1950 1997-01-01 2856 2002-01-01 2872 2003-01-01 2892 2004-01-01 3035 2005-01-01 3178 2006-01-01 3164 2007-01-01 3606 2008-01-01 3845 2009-01-01 3653 2010-01-01 3702 2011-01-01 3836 2012-01-01 3962 2013-01-01 3972 2014-01-01 4106 2015-01-01 4045 2016-01-01 4095