Year Number of Firms 1992-01-01 80 1997-01-01 153 2002-01-01 189 2003-01-01 178 2004-01-01 183 2005-01-01 184 2006-01-01 186 2007-01-01 221 2008-01-01 237 2009-01-01 223 2010-01-01 219 2011-01-01 255 2012-01-01 242 2013-01-01 256 2014-01-01 263 2015-01-01 265 2016-01-01 233