Year Number of Firms 1992-01-01 91 1997-01-01 191 2002-01-01 102 2003-01-01 119 2004-01-01 135 2005-01-01 154 2006-01-01 152 2007-01-01 174 2008-01-01 180 2009-01-01 175 2010-01-01 182 2011-01-01 247 2012-01-01 203 2013-01-01 214 2014-01-01 209 2015-01-01 171 2016-01-01 155