Year Number of Firms 1992-01-01 12 1997-01-01 19 2002-01-01 17 2003-01-01 18 2004-01-01 27 2005-01-01 23 2006-01-01 21 2007-01-01 35 2008-01-01 37 2009-01-01 34 2010-01-01 45 2011-01-01 47 2012-01-01 54 2013-01-01 60 2014-01-01 70 2015-01-01 63 2016-01-01 59