Year Number of Firms 1992-01-01 96 1997-01-01 133 2002-01-01 128 2003-01-01 130 2004-01-01 131 2005-01-01 145 2006-01-01 151 2007-01-01 174 2008-01-01 179 2009-01-01 182 2010-01-01 211 2011-01-01 212 2012-01-01 209 2013-01-01 211 2014-01-01 196 2015-01-01 193 2016-01-01 183