Year Number of Firms 1992-01-01 46 1997-01-01 96 2002-01-01 99 2003-01-01 101 2004-01-01 114 2005-01-01 124 2006-01-01 117 2007-01-01 139 2008-01-01 148 2009-01-01 136 2010-01-01 142 2011-01-01 150 2012-01-01 154 2013-01-01 159 2014-01-01 174 2015-01-01 136 2016-01-01 145