Year Number of Firms 1992-01-01 64 1997-01-01 104 2002-01-01 111 2003-01-01 101 2004-01-01 94 2005-01-01 109 2006-01-01 111 2007-01-01 122 2008-01-01 150 2009-01-01 153 2010-01-01 145 2011-01-01 180 2012-01-01 174 2013-01-01 162 2014-01-01 122 2015-01-01 137 2016-01-01 156