Year Number of Firms 1992-01-01 13 1997-01-01 22 2002-01-01 23 2003-01-01 25 2004-01-01 33 2005-01-01 36 2006-01-01 30 2007-01-01 31 2008-01-01 39 2009-01-01 40 2010-01-01 55 2011-01-01 60 2012-01-01 58 2013-01-01 64 2014-01-01 61 2015-01-01 69 2016-01-01 60