Year Number of Firms 1992-01-01 379 1997-01-01 606 2002-01-01 610 2003-01-01 663 2004-01-01 695 2005-01-01 804 2006-01-01 851 2007-01-01 943 2008-01-01 986 2009-01-01 989 2010-01-01 1006 2011-01-01 1062 2012-01-01 1063 2013-01-01 1065 2014-01-01 1005 2015-01-01 991 2016-01-01 862