Year Number of Firms 1992-01-01 95 1997-01-01 102 2002-01-01 111 2003-01-01 104 2004-01-01 150 2005-01-01 141 2006-01-01 136 2007-01-01 156 2008-01-01 181 2009-01-01 148 2010-01-01 159 2011-01-01 168 2012-01-01 161 2013-01-01 166 2014-01-01 178 2015-01-01 169 2016-01-01 153