Year Number of Firms 1992-01-01 54 1997-01-01 74 2002-01-01 86 2003-01-01 97 2004-01-01 96 2005-01-01 107 2006-01-01 128 2007-01-01 136 2008-01-01 163 2009-01-01 166 2010-01-01 141 2011-01-01 185 2012-01-01 178 2013-01-01 173 2014-01-01 178 2015-01-01 169 2016-01-01 180