Year Number of Firms 1992-01-01 34 1997-01-01 53 2002-01-01 63 2003-01-01 57 2004-01-01 60 2005-01-01 66 2006-01-01 66 2007-01-01 70 2008-01-01 77 2009-01-01 64 2010-01-01 80 2011-01-01 79 2012-01-01 71 2013-01-01 79 2014-01-01 88 2015-01-01 86 2016-01-01 85