Year	Number of Firms
1992-01-01	287
1997-01-01	317
2002-01-01	349
2003-01-01	361
2004-01-01	367
2005-01-01	375
2006-01-01	353
2007-01-01	410
2008-01-01	428
2009-01-01	374
2010-01-01	393
2011-01-01	374
2012-01-01	340
2013-01-01	356
2014-01-01	393
2015-01-01	407
2016-01-01	378