Year Number of Firms 1992-01-01 129 1997-01-01 355 2002-01-01 365 2003-01-01 448 2004-01-01 442 2005-01-01 553 2006-01-01 611 2007-01-01 665 2008-01-01 735 2009-01-01 802 2010-01-01 844 2011-01-01 846 2012-01-01 933 2013-01-01 926 2014-01-01 872 2015-01-01 904 2016-01-01 875