Year Number of Firms 1992-01-01 3328 1997-01-01 8013 2002-01-01 11363 2003-01-01 11277 2004-01-01 12776 2005-01-01 12823 2006-01-01 13219 2007-01-01 14086 2008-01-01 15386 2009-01-01 14523 2010-01-01 14911 2011-01-01 15534 2012-01-01 15529 2013-01-01 15842 2014-01-01 15937 2015-01-01 16206 2016-01-01 15596