Year Number of Firms 1992-01-01 98 1997-01-01 120 2002-01-01 114 2003-01-01 136 2004-01-01 130 2005-01-01 137 2006-01-01 143 2007-01-01 148 2008-01-01 167 2009-01-01 148 2010-01-01 147 2011-01-01 145 2012-01-01 122 2013-01-01 138 2014-01-01 140 2015-01-01 133 2016-01-01 112