Year Number of Firms 1992-01-01 6 1997-01-01 6 2002-01-01 14 2003-01-01 18 2004-01-01 28 2005-01-01 25 2006-01-01 30 2007-01-01 24 2008-01-01 29 2009-01-01 18 2010-01-01 29 2011-01-01 35 2012-01-01 49 2013-01-01 70 2014-01-01 44 2015-01-01 41 2016-01-01 35