Year Number of Firms 1992-01-01 60 1997-01-01 92 2002-01-01 106 2003-01-01 113 2004-01-01 116 2005-01-01 114 2006-01-01 132 2007-01-01 132 2008-01-01 133 2009-01-01 121 2010-01-01 125 2011-01-01 142 2012-01-01 142 2013-01-01 137 2014-01-01 157 2015-01-01 167 2016-01-01 168