Year Number of Firms 1992-01-01 65 1997-01-01 87 2002-01-01 74 2003-01-01 76 2004-01-01 91 2005-01-01 106 2006-01-01 121 2007-01-01 123 2008-01-01 145 2009-01-01 134 2010-01-01 150 2011-01-01 140 2012-01-01 147 2013-01-01 141 2014-01-01 147 2015-01-01 150 2016-01-01 133