Year Number of Firms 1992-01-01 40 1997-01-01 30 2002-01-01 52 2003-01-01 60 2004-01-01 70 2005-01-01 77 2006-01-01 85 2007-01-01 87 2008-01-01 137 2009-01-01 96 2010-01-01 81 2011-01-01 62 2012-01-01 72 2013-01-01 73 2014-01-01 88 2015-01-01 88 2016-01-01 85