Year Number of Firms 1992-01-01 105 1997-01-01 188 2002-01-01 119 2003-01-01 138 2004-01-01 145 2005-01-01 167 2006-01-01 173 2007-01-01 189 2008-01-01 212 2009-01-01 190 2010-01-01 194 2011-01-01 223 2012-01-01 218 2013-01-01 219 2014-01-01 206 2015-01-01 238 2016-01-01 227