Year	Number of Firms
1992-01-01	2580
1997-01-01	3927
2002-01-01	4366
2003-01-01	4418
2004-01-01	4549
2005-01-01	4677
2006-01-01	4808
2007-01-01	5305
2008-01-01	5793
2009-01-01	5417
2010-01-01	5708
2011-01-01	5868
2012-01-01	5980
2013-01-01	5849
2014-01-01	6173
2015-01-01	6135
2016-01-01	6303