Year Number of Firms 1992-01-01 107 1997-01-01 134 2002-01-01 132 2003-01-01 129 2004-01-01 121 2005-01-01 114 2006-01-01 126 2007-01-01 150 2008-01-01 140 2009-01-01 135 2010-01-01 148 2011-01-01 153 2012-01-01 165 2013-01-01 155 2014-01-01 160 2015-01-01 180 2016-01-01 186