Year Number of Firms 1992-01-01 831 1997-01-01 1288 2002-01-01 1437 2003-01-01 1379 2004-01-01 1491 2005-01-01 1458 2006-01-01 1412 2007-01-01 1545 2008-01-01 1567 2009-01-01 1364 2010-01-01 1430 2011-01-01 1568 2012-01-01 1580 2013-01-01 1543 2014-01-01 1552 2015-01-01 1513 2016-01-01 1512