Year Number of Firms 1992-01-01 699 1997-01-01 877 2002-01-01 1058 2003-01-01 1140 2004-01-01 1218 2005-01-01 1242 2006-01-01 1270 2007-01-01 1495 2008-01-01 1725 2009-01-01 1587 2010-01-01 1616 2011-01-01 2160 2012-01-01 2291 2013-01-01 2356 2014-01-01 2292 2015-01-01 1965 2016-01-01 1991