Year Number of Firms 1992-01-01 22 1997-01-01 35 2002-01-01 37 2003-01-01 32 2004-01-01 40 2005-01-01 43 2006-01-01 31 2007-01-01 24 2008-01-01 40 2009-01-01 36 2010-01-01 44 2011-01-01 44 2012-01-01 54 2013-01-01 58 2014-01-01 50 2015-01-01 60 2016-01-01 87