Year Number of Firms 1992-01-01 66 1997-01-01 111 2002-01-01 113 2003-01-01 108 2004-01-01 114 2005-01-01 112 2006-01-01 99 2007-01-01 125 2008-01-01 127 2009-01-01 117 2010-01-01 133 2011-01-01 156 2012-01-01 172 2013-01-01 166 2014-01-01 156 2015-01-01 153 2016-01-01 150