Year Number of Firms 1992-01-01 8 1997-01-01 55 2002-01-01 61 2003-01-01 67 2004-01-01 87 2005-01-01 97 2006-01-01 108 2007-01-01 114 2008-01-01 153 2009-01-01 121 2010-01-01 116 2011-01-01 143 2012-01-01 145 2013-01-01 156 2014-01-01 139 2015-01-01 108 2016-01-01 124