Year Number of Firms 1992-01-01 18 1997-01-01 30 2002-01-01 24 2003-01-01 28 2004-01-01 33 2005-01-01 31 2006-01-01 39 2007-01-01 57 2008-01-01 59 2009-01-01 64 2010-01-01 60 2011-01-01 52 2012-01-01 76 2013-01-01 60 2014-01-01 67 2015-01-01 90 2016-01-01 75