Year Number of Firms 1992-01-01 130 1997-01-01 168 2002-01-01 139 2003-01-01 130 2004-01-01 134 2005-01-01 142 2006-01-01 119 2007-01-01 129 2008-01-01 138 2009-01-01 132 2010-01-01 137 2011-01-01 119 2012-01-01 125 2013-01-01 126 2014-01-01 136 2015-01-01 130 2016-01-01 126