Year Number of Firms 1992-01-01 69 1997-01-01 92 2002-01-01 81 2003-01-01 55 2004-01-01 65 2005-01-01 94 2006-01-01 155 2007-01-01 139 2008-01-01 136 2009-01-01 159 2010-01-01 148 2011-01-01 141 2012-01-01 160 2013-01-01 160 2014-01-01 165 2015-01-01 173 2016-01-01 198