Year	Number of Firms
1992-01-01	3205
1997-01-01	5201
2002-01-01	4916
2003-01-01	4874
2004-01-01	4754
2005-01-01	4935
2006-01-01	5048
2007-01-01	5496
2008-01-01	5794
2009-01-01	5386
2010-01-01	5774
2011-01-01	6019
2012-01-01	6017
2013-01-01	5950
2014-01-01	6106
2015-01-01	5978
2016-01-01	5670