Year Number of Firms 1992-01-01 106 1997-01-01 127 2002-01-01 127 2003-01-01 129 2004-01-01 130 2005-01-01 139 2006-01-01 130 2007-01-01 165 2008-01-01 163 2009-01-01 149 2010-01-01 164 2011-01-01 174 2012-01-01 188 2013-01-01 188 2014-01-01 168 2015-01-01 159 2016-01-01 157