Year Number of Firms 1992-01-01 50 1997-01-01 77 2002-01-01 65 2003-01-01 52 2004-01-01 64 2005-01-01 89 2006-01-01 89 2007-01-01 103 2008-01-01 124 2009-01-01 139 2010-01-01 155 2011-01-01 169 2012-01-01 175 2013-01-01 177 2014-01-01 180 2015-01-01 167 2016-01-01 139