Year Number of Firms 1992-01-01 242 1997-01-01 502 2002-01-01 658 2003-01-01 743 2004-01-01 869 2005-01-01 1020 2006-01-01 1118 2007-01-01 1282 2008-01-01 1431 2009-01-01 1387 2010-01-01 1505 2011-01-01 1610 2012-01-01 1530 2013-01-01 1384 2014-01-01 1387 2015-01-01 1503 2016-01-01 1617