Year Number of Firms 1992-01-01 72 1997-01-01 657 2002-01-01 851 2003-01-01 719 2004-01-01 756 2005-01-01 770 2006-01-01 849 2007-01-01 961 2008-01-01 974 2009-01-01 1087 2010-01-01 1330 2011-01-01 1367 2012-01-01 1269 2013-01-01 1326 2014-01-01 1305 2015-01-01 1204 2016-01-01 1115