Year	Number of Firms
1992-01-01	2451
1997-01-01	4051
2002-01-01	4120
2003-01-01	4123
2004-01-01	4477
2005-01-01	4467
2006-01-01	4746
2007-01-01	4998
2008-01-01	5335
2009-01-01	5038
2010-01-01	5508
2011-01-01	5704
2012-01-01	5598
2013-01-01	5718
2014-01-01	5833
2015-01-01	5759
2016-01-01	5582