Year Number of Firms 1992-01-01 69 1997-01-01 94 2002-01-01 93 2003-01-01 92 2004-01-01 93 2005-01-01 111 2006-01-01 113 2007-01-01 115 2008-01-01 136 2009-01-01 140 2010-01-01 144 2011-01-01 146 2012-01-01 137 2013-01-01 148 2014-01-01 125 2015-01-01 130 2016-01-01 137