Year Number of Firms 1992-01-01 33 1997-01-01 48 2002-01-01 60 2003-01-01 62 2004-01-01 62 2005-01-01 67 2006-01-01 68 2007-01-01 82 2008-01-01 86 2009-01-01 90 2010-01-01 64 2011-01-01 67 2012-01-01 76 2013-01-01 74 2014-01-01 61 2015-01-01 56 2016-01-01 59