Year	Number of Firms
1992-01-01	142
1997-01-01	269
2002-01-01	265
2003-01-01	270
2004-01-01	287
2005-01-01	302
2006-01-01	287
2007-01-01	329
2008-01-01	351
2009-01-01	348
2010-01-01	387
2011-01-01	391
2012-01-01	376
2013-01-01	391
2014-01-01	399
2015-01-01	369
2016-01-01	363