Year Number of Firms 1992-01-01 166 1997-01-01 174 2002-01-01 168 2003-01-01 177 2004-01-01 207 2005-01-01 185 2006-01-01 197 2007-01-01 207 2008-01-01 229 2009-01-01 203 2010-01-01 234 2011-01-01 246 2012-01-01 257 2013-01-01 234 2014-01-01 224 2015-01-01 219 2016-01-01 208