Year Number of Firms 1992-01-01 18 1997-01-01 44 2002-01-01 52 2003-01-01 60 2004-01-01 72 2005-01-01 72 2006-01-01 74 2007-01-01 93 2008-01-01 112 2009-01-01 108 2010-01-01 116 2011-01-01 120 2012-01-01 116 2013-01-01 106 2014-01-01 112 2015-01-01 113 2016-01-01 115