Year Number of Firms 1992-01-01 1050 1997-01-01 1810 2002-01-01 1581 2003-01-01 1484 2004-01-01 1369 2005-01-01 1381 2006-01-01 1439 2007-01-01 1513 2008-01-01 1560 2009-01-01 1438 2010-01-01 1495 2011-01-01 1568 2012-01-01 1562 2013-01-01 1567 2014-01-01 1565 2015-01-01 1519 2016-01-01 1524