Year Number of Firms 1992-01-01 56 1997-01-01 95 2002-01-01 98 2003-01-01 100 2004-01-01 104 2005-01-01 126 2006-01-01 114 2007-01-01 121 2008-01-01 139 2009-01-01 125 2010-01-01 137 2011-01-01 141 2012-01-01 149 2013-01-01 151 2014-01-01 138 2015-01-01 157 2016-01-01 166