Year Number of Firms 1992-01-01 7 1997-01-01 22 2002-01-01 18 2003-01-01 26 2004-01-01 35 2005-01-01 41 2006-01-01 49 2007-01-01 58 2008-01-01 80 2009-01-01 61 2010-01-01 76 2011-01-01 84 2012-01-01 77 2013-01-01 84 2014-01-01 85 2015-01-01 66 2016-01-01 74