Year Number of Firms 1992-01-01 12 1997-01-01 16 2002-01-01 14 2003-01-01 15 2004-01-01 30 2005-01-01 30 2006-01-01 35 2007-01-01 25 2008-01-01 38 2009-01-01 46 2010-01-01 41 2011-01-01 41 2012-01-01 52 2013-01-01 58 2014-01-01 58 2015-01-01 51 2016-01-01 78