Year Number of Firms 1992-01-01 79 1997-01-01 134 2002-01-01 120 2003-01-01 102 2004-01-01 112 2005-01-01 118 2006-01-01 151 2007-01-01 150 2008-01-01 164 2009-01-01 175 2010-01-01 199 2011-01-01 207 2012-01-01 219 2013-01-01 230 2014-01-01 254 2015-01-01 252 2016-01-01 228