Year Number of Firms 1992-01-01 6 1997-01-01 21 2002-01-01 35 2003-01-01 40 2004-01-01 49 2005-01-01 53 2006-01-01 65 2007-01-01 70 2008-01-01 90 2009-01-01 78 2010-01-01 70 2011-01-01 73 2012-01-01 81 2013-01-01 90 2014-01-01 94 2015-01-01 112 2016-01-01 95