Year Number of Firms 1992-01-01 41 1997-01-01 61 2002-01-01 85 2003-01-01 77 2004-01-01 80 2005-01-01 76 2006-01-01 94 2007-01-01 90 2008-01-01 109 2009-01-01 113 2010-01-01 117 2011-01-01 159 2012-01-01 156 2013-01-01 144 2014-01-01 139 2015-01-01 141 2016-01-01 118