Year Number of Firms 1992-01-01 13 1997-01-01 17 2002-01-01 32 2003-01-01 35 2004-01-01 47 2005-01-01 52 2006-01-01 72 2007-01-01 99 2008-01-01 156 2009-01-01 129 2010-01-01 156 2011-01-01 211 2012-01-01 220 2013-01-01 242 2014-01-01 299 2015-01-01 326 2016-01-01 209