Year	Number of Firms
1992-01-01	1128
1997-01-01	2925
2002-01-01	2955
2003-01-01	3016
2004-01-01	3387
2005-01-01	3734
2006-01-01	4141
2007-01-01	4862
2008-01-01	5493
2009-01-01	5413
2010-01-01	5837
2011-01-01	5988
2012-01-01	5799
2013-01-01	5673
2014-01-01	5415
2015-01-01	4789
2016-01-01	4413