Year Number of Firms 1992-01-01 474 1997-01-01 639 2002-01-01 608 2003-01-01 646 2004-01-01 699 2005-01-01 704 2006-01-01 733 2007-01-01 830 2008-01-01 897 2009-01-01 885 2010-01-01 1000 2011-01-01 1044 2012-01-01 1021 2013-01-01 1003 2014-01-01 1016 2015-01-01 960 2016-01-01 945