Year Number of Firms 1992-01-01 212 1997-01-01 376 2002-01-01 479 2003-01-01 540 2004-01-01 645 2005-01-01 670 2006-01-01 707 2007-01-01 874 2008-01-01 894 2009-01-01 916 2010-01-01 937 2011-01-01 947 2012-01-01 976 2013-01-01 928 2014-01-01 1051 2015-01-01 1088 2016-01-01 1085