Year Number of Firms 1992-01-01 1109 1997-01-01 1515 2002-01-01 1853 2003-01-01 1946 2004-01-01 2081 2005-01-01 2158 2006-01-01 2237 2007-01-01 2455 2008-01-01 2886 2009-01-01 2557 2010-01-01 2658 2011-01-01 2698 2012-01-01 2667 2013-01-01 2606 2014-01-01 2638 2015-01-01 2561 2016-01-01 2579