Year Number of Firms 1992-01-01 14 1997-01-01 44 2002-01-01 22 2003-01-01 19 2004-01-01 18 2005-01-01 21 2006-01-01 13 2007-01-01 19 2008-01-01 12 2009-01-01 20 2010-01-01 25 2011-01-01 21 2012-01-01 33 2013-01-01 14 2014-01-01 24 2015-01-01 24 2016-01-01 14