Year	Number of Firms
1992-01-01	231
1997-01-01	324
2002-01-01	351
2003-01-01	340
2004-01-01	364
2005-01-01	357
2006-01-01	368
2007-01-01	403
2008-01-01	420
2009-01-01	404
2010-01-01	416
2011-01-01	440
2012-01-01	430
2013-01-01	430
2014-01-01	409
2015-01-01	383
2016-01-01	344