Year Number of Firms 1992-01-01 38 1997-01-01 50 2002-01-01 58 2003-01-01 75 2004-01-01 61 2005-01-01 65 2006-01-01 67 2007-01-01 61 2008-01-01 121 2009-01-01 101 2010-01-01 115 2011-01-01 123 2012-01-01 139 2013-01-01 152 2014-01-01 168 2015-01-01 156 2016-01-01 175