Year Number of Firms 1992-01-01 760 1997-01-01 860 2002-01-01 1419 2003-01-01 1459 2004-01-01 1618 2005-01-01 1563 2006-01-01 1537 2007-01-01 1651 2008-01-01 1691 2009-01-01 1400 2010-01-01 1543 2011-01-01 1564 2012-01-01 1501 2013-01-01 1427 2014-01-01 1489 2015-01-01 1350 2016-01-01 1378