Year Number of Firms 1992-01-01 33 1997-01-01 64 2002-01-01 76 2003-01-01 72 2004-01-01 59 2005-01-01 51 2006-01-01 70 2007-01-01 107 2008-01-01 116 2009-01-01 119 2010-01-01 148 2011-01-01 141 2012-01-01 178 2013-01-01 156 2014-01-01 176 2015-01-01 134 2016-01-01 145