Year Number of Firms 1992-01-01 440 1997-01-01 444 2002-01-01 560 2003-01-01 530 2004-01-01 515 2005-01-01 556 2006-01-01 581 2007-01-01 658 2008-01-01 707 2009-01-01 725 2010-01-01 780 2011-01-01 774 2012-01-01 813 2013-01-01 828 2014-01-01 823 2015-01-01 885 2016-01-01 784