Year Number of Firms 1992-01-01 19 1997-01-01 22 2002-01-01 17 2003-01-01 16 2004-01-01 16 2005-01-01 40 2006-01-01 51 2007-01-01 57 2008-01-01 58 2009-01-01 69 2010-01-01 77 2011-01-01 67 2012-01-01 90 2013-01-01 76 2014-01-01 96 2015-01-01 86 2016-01-01 78