Year Number of Firms 1992-01-01 8 1997-01-01 20 2002-01-01 22 2003-01-01 27 2004-01-01 26 2005-01-01 29 2006-01-01 30 2007-01-01 34 2008-01-01 34 2009-01-01 41 2010-01-01 46 2011-01-01 60 2012-01-01 48 2013-01-01 62 2014-01-01 59 2015-01-01 52 2016-01-01 42