Year Number of Firms 1992-01-01 31 1997-01-01 62 2002-01-01 93 2003-01-01 120 2004-01-01 128 2005-01-01 133 2006-01-01 120 2007-01-01 154 2008-01-01 149 2009-01-01 117 2010-01-01 132 2011-01-01 169 2012-01-01 173 2013-01-01 136 2014-01-01 184 2015-01-01 197 2016-01-01 192