Year Number of Firms 1992-01-01 13 1997-01-01 13 2002-01-01 10 2003-01-01 16 2004-01-01 12 2005-01-01 11 2006-01-01 18 2007-01-01 26 2008-01-01 29 2009-01-01 34 2010-01-01 48 2011-01-01 55 2012-01-01 61 2013-01-01 51 2014-01-01 39 2015-01-01 29 2016-01-01 25