Year Number of Firms 1992-01-01 8 1997-01-01 37 2002-01-01 40 2003-01-01 52 2004-01-01 69 2005-01-01 116 2006-01-01 103 2007-01-01 150 2008-01-01 154 2009-01-01 107 2010-01-01 116 2011-01-01 153 2012-01-01 161 2013-01-01 162 2014-01-01 154 2015-01-01 109 2016-01-01 111