Year Number of Firms 1992-01-01 89 1997-01-01 151 2002-01-01 152 2003-01-01 152 2004-01-01 159 2005-01-01 170 2006-01-01 185 2007-01-01 202 2008-01-01 206 2009-01-01 210 2010-01-01 225 2011-01-01 215 2012-01-01 201 2013-01-01 207 2014-01-01 208 2015-01-01 216 2016-01-01 208