Year	Number of Firms
1992-01-01	228
1997-01-01	369
2002-01-01	472
2003-01-01	441
2004-01-01	469
2005-01-01	481
2006-01-01	507
2007-01-01	592
2008-01-01	659
2009-01-01	653
2010-01-01	737
2011-01-01	722
2012-01-01	749
2013-01-01	762
2014-01-01	801
2015-01-01	808
2016-01-01	852