Year Number of Firms 1992-01-01 1 1997-01-01 2 2002-01-01 5 2003-01-01 6 2004-01-01 10 2005-01-01 6 2006-01-01 8 2007-01-01 11 2008-01-01 10 2009-01-01 14 2010-01-01 14 2011-01-01 10 2012-01-01 10 2013-01-01 10 2014-01-01 10 2015-01-01 16 2016-01-01 10