Year Number of Firms 1992-01-01 991 1997-01-01 1690 2002-01-01 2696 2003-01-01 2780 2004-01-01 3160 2005-01-01 3328 2006-01-01 3442 2007-01-01 3219 2008-01-01 3727 2009-01-01 3267 2010-01-01 3340 2011-01-01 3349 2012-01-01 3123 2013-01-01 2953 2014-01-01 2879 2015-01-01 2615 2016-01-01 2638