Year Number of Firms 1992-01-01 55 1997-01-01 78 2002-01-01 71 2003-01-01 72 2004-01-01 72 2005-01-01 79 2006-01-01 96 2007-01-01 100 2008-01-01 119 2009-01-01 120 2010-01-01 126 2011-01-01 144 2012-01-01 137 2013-01-01 129 2014-01-01 125 2015-01-01 135 2016-01-01 144