Year Number of Firms 1992-01-01 66 1997-01-01 85 2002-01-01 114 2003-01-01 133 2004-01-01 167 2005-01-01 147 2006-01-01 156 2007-01-01 193 2008-01-01 201 2009-01-01 171 2010-01-01 163 2011-01-01 194 2012-01-01 163 2013-01-01 195 2014-01-01 231 2015-01-01 205 2016-01-01 214