Year Number of Firms 1992-01-01 54 1997-01-01 95 2002-01-01 99 2003-01-01 95 2004-01-01 93 2005-01-01 100 2006-01-01 112 2007-01-01 117 2008-01-01 118 2009-01-01 119 2010-01-01 134 2011-01-01 152 2012-01-01 155 2013-01-01 148 2014-01-01 159 2015-01-01 154 2016-01-01 154