Year Number of Firms 1992-01-01 120 1997-01-01 174 2002-01-01 158 2003-01-01 142 2004-01-01 130 2005-01-01 151 2006-01-01 159 2007-01-01 144 2008-01-01 147 2009-01-01 179 2010-01-01 177 2011-01-01 201 2012-01-01 154 2013-01-01 131 2014-01-01 127 2015-01-01 112 2016-01-01 99