Year Number of Firms 1992-01-01 443 1997-01-01 679 2002-01-01 1106 2003-01-01 1220 2004-01-01 1340 2005-01-01 1496 2006-01-01 1687 2007-01-01 1953 2008-01-01 2266 2009-01-01 2164 2010-01-01 2347 2011-01-01 2457 2012-01-01 2560 2013-01-01 2617 2014-01-01 2713 2015-01-01 2718 2016-01-01 2519