Year Number of Firms 1992-01-01 8 1997-01-01 43 2002-01-01 53 2003-01-01 76 2004-01-01 88 2005-01-01 109 2006-01-01 134 2007-01-01 161 2008-01-01 194 2009-01-01 133 2010-01-01 135 2011-01-01 164 2012-01-01 149 2013-01-01 177 2014-01-01 141 2015-01-01 107 2016-01-01 157