Year Number of Firms 1992-01-01 409 1997-01-01 630 2002-01-01 599 2003-01-01 555 2004-01-01 550 2005-01-01 623 2006-01-01 664 2007-01-01 792 2008-01-01 816 2009-01-01 788 2010-01-01 847 2011-01-01 934 2012-01-01 986 2013-01-01 977 2014-01-01 941 2015-01-01 869 2016-01-01 758