Year Number of Firms 1992-01-01 28 1997-01-01 82 2002-01-01 94 2003-01-01 81 2004-01-01 100 2005-01-01 110 2006-01-01 110 2007-01-01 118 2008-01-01 128 2009-01-01 119 2010-01-01 132 2011-01-01 145 2012-01-01 149 2013-01-01 149 2014-01-01 146 2015-01-01 121 2016-01-01 114