Year Number of Firms 1992-01-01 6 1997-01-01 9 2002-01-01 11 2003-01-01 15 2004-01-01 12 2005-01-01 14 2006-01-01 13 2007-01-01 14 2008-01-01 23 2009-01-01 17 2010-01-01 25 2011-01-01 29 2012-01-01 27 2013-01-01 36 2014-01-01 34 2015-01-01 39 2016-01-01 37