Year Number of Firms 1992-01-01 30 1997-01-01 49 2002-01-01 38 2003-01-01 42 2004-01-01 48 2005-01-01 53 2006-01-01 53 2007-01-01 60 2008-01-01 60 2009-01-01 58 2010-01-01 62 2011-01-01 72 2012-01-01 63 2013-01-01 83 2014-01-01 76 2015-01-01 69 2016-01-01 63