Year Number of Firms 1992-01-01 91 1997-01-01 108 2002-01-01 148 2003-01-01 162 2004-01-01 153 2005-01-01 171 2006-01-01 173 2007-01-01 203 2008-01-01 194 2009-01-01 192 2010-01-01 185 2011-01-01 201 2012-01-01 167 2013-01-01 170 2014-01-01 191 2015-01-01 162 2016-01-01 162