Year Number of Firms 1992-01-01 14 1997-01-01 14 2002-01-01 19 2003-01-01 17 2004-01-01 16 2005-01-01 32 2006-01-01 31 2007-01-01 41 2008-01-01 44 2009-01-01 60 2010-01-01 68 2011-01-01 69 2012-01-01 67 2013-01-01 53 2014-01-01 60 2015-01-01 70 2016-01-01 72