Year Number of Firms 1992-01-01 41 1997-01-01 60 2002-01-01 76 2003-01-01 64 2004-01-01 73 2005-01-01 76 2006-01-01 91 2007-01-01 92 2008-01-01 92 2009-01-01 86 2010-01-01 108 2011-01-01 124 2012-01-01 112 2013-01-01 129 2014-01-01 142 2015-01-01 133 2016-01-01 125