Year Number of Firms 1992-01-01 145 1997-01-01 254 2002-01-01 322 2003-01-01 323 2004-01-01 375 2005-01-01 447 2006-01-01 487 2007-01-01 612 2008-01-01 796 2009-01-01 701 2010-01-01 738 2011-01-01 747 2012-01-01 778 2013-01-01 726 2014-01-01 769 2015-01-01 789 2016-01-01 801