Year Number of Firms 1992-01-01 527 1997-01-01 705 2002-01-01 738 2003-01-01 770 2004-01-01 836 2005-01-01 833 2006-01-01 882 2007-01-01 1012 2008-01-01 1051 2009-01-01 980 2010-01-01 1047 2011-01-01 1066 2012-01-01 1060 2013-01-01 1043 2014-01-01 1048 2015-01-01 960 2016-01-01 897