Year Number of Firms 1992-01-01 37 1997-01-01 70 2002-01-01 55 2003-01-01 77 2004-01-01 70 2005-01-01 75 2006-01-01 83 2007-01-01 86 2008-01-01 86 2009-01-01 110 2010-01-01 121 2011-01-01 120 2012-01-01 136 2013-01-01 139 2014-01-01 108 2015-01-01 107 2016-01-01 131