Year Number of Firms 1992-01-01 71 1997-01-01 93 2002-01-01 71 2003-01-01 60 2004-01-01 67 2005-01-01 89 2006-01-01 120 2007-01-01 112 2008-01-01 146 2009-01-01 151 2010-01-01 164 2011-01-01 139 2012-01-01 163 2013-01-01 168 2014-01-01 190 2015-01-01 221 2016-01-01 206