Year Number of Firms 1992-01-01 2 1997-01-01 6 2002-01-01 7 2003-01-01 6 2004-01-01 9 2005-01-01 9 2006-01-01 11 2007-01-01 17 2008-01-01 22 2009-01-01 16 2010-01-01 13 2011-01-01 9 2012-01-01 18 2013-01-01 15 2014-01-01 16 2015-01-01 34 2016-01-01 21