Year Number of Firms 1992-01-01 157 1997-01-01 356 2002-01-01 372 2003-01-01 423 2004-01-01 473 2005-01-01 469 2006-01-01 472 2007-01-01 524 2008-01-01 607 2009-01-01 643 2010-01-01 698 2011-01-01 748 2012-01-01 802 2013-01-01 792 2014-01-01 801 2015-01-01 764 2016-01-01 741