Year	Number of Firms
1992-01-01	254
1997-01-01	342
2002-01-01	353
2003-01-01	379
2004-01-01	413
2005-01-01	367
2006-01-01	375
2007-01-01	444
2008-01-01	472
2009-01-01	404
2010-01-01	404
2011-01-01	415
2012-01-01	405
2013-01-01	400
2014-01-01	397
2015-01-01	361
2016-01-01	404