Year Number of Firms 1992-01-01 29 1997-01-01 40 2002-01-01 46 2003-01-01 34 2004-01-01 40 2005-01-01 49 2006-01-01 45 2007-01-01 36 2008-01-01 40 2009-01-01 49 2010-01-01 53 2011-01-01 54 2012-01-01 48 2013-01-01 51 2014-01-01 69 2015-01-01 76 2016-01-01 67