Year Number of Firms 1992-01-01 14 1997-01-01 33 2002-01-01 49 2003-01-01 54 2004-01-01 74 2005-01-01 70 2006-01-01 68 2007-01-01 103 2008-01-01 101 2009-01-01 77 2010-01-01 106 2011-01-01 120 2012-01-01 106 2013-01-01 91 2014-01-01 131 2015-01-01 155 2016-01-01 157