Year Number of Firms 1992-01-01 3 1997-01-01 20 2002-01-01 23 2003-01-01 25 2004-01-01 38 2005-01-01 46 2006-01-01 49 2007-01-01 42 2008-01-01 70 2009-01-01 50 2010-01-01 52 2011-01-01 51 2012-01-01 77 2013-01-01 64 2014-01-01 75 2015-01-01 57 2016-01-01 67