Year	Number of Firms
1992-01-01	2643
1997-01-01	3393
2002-01-01	4558
2003-01-01	4470
2004-01-01	4821
2005-01-01	4797
2006-01-01	4782
2007-01-01	5305
2008-01-01	5393
2009-01-01	4975
2010-01-01	5056
2011-01-01	5171
2012-01-01	5092
2013-01-01	5118
2014-01-01	5284
2015-01-01	5139
2016-01-01	4995