Year	Number of Firms
1992-01-01	3059
1997-01-01	4920
2002-01-01	4432
2003-01-01	4569
2004-01-01	4746
2005-01-01	4874
2006-01-01	5038
2007-01-01	5625
2008-01-01	5748
2009-01-01	5371
2010-01-01	5713
2011-01-01	5997
2012-01-01	6019
2013-01-01	6012
2014-01-01	6110
2015-01-01	6022
2016-01-01	6011