Year	Number of Firms
1992-01-01	4571
1997-01-01	5378
2002-01-01	5661
2003-01-01	5967
2004-01-01	6063
2005-01-01	6073
2006-01-01	6121
2007-01-01	6883
2008-01-01	7370
2009-01-01	7006
2010-01-01	7308
2011-01-01	7502
2012-01-01	7291
2013-01-01	7310
2014-01-01	7460
2015-01-01	7209
2016-01-01	7170