Year Number of Firms 1992-01-01 52 1997-01-01 64 2002-01-01 69 2003-01-01 67 2004-01-01 78 2005-01-01 66 2006-01-01 86 2007-01-01 88 2008-01-01 105 2009-01-01 105 2010-01-01 95 2011-01-01 98 2012-01-01 95 2013-01-01 86 2014-01-01 98 2015-01-01 77 2016-01-01 67