Year Number of Firms 1992-01-01 35 1997-01-01 55 2002-01-01 60 2003-01-01 63 2004-01-01 88 2005-01-01 88 2006-01-01 92 2007-01-01 90 2008-01-01 126 2009-01-01 148 2010-01-01 129 2011-01-01 137 2012-01-01 114 2013-01-01 132 2014-01-01 120 2015-01-01 122 2016-01-01 96