Year Number of Firms 1992-01-01 49 1997-01-01 59 2002-01-01 107 2003-01-01 95 2004-01-01 99 2005-01-01 111 2006-01-01 97 2007-01-01 105 2008-01-01 108 2009-01-01 116 2010-01-01 146 2011-01-01 181 2012-01-01 177 2013-01-01 160 2014-01-01 174 2015-01-01 166 2016-01-01 120