Year Number of Firms 1992-01-01 880 1997-01-01 1128 2002-01-01 1398 2003-01-01 1336 2004-01-01 1455 2005-01-01 1386 2006-01-01 1453 2007-01-01 1586 2008-01-01 1785 2009-01-01 1532 2010-01-01 1561 2011-01-01 1605 2012-01-01 1508 2013-01-01 1506 2014-01-01 1542 2015-01-01 1504 2016-01-01 1497