Year	Number of Firms
1992-01-01	3507
1997-01-01	5671
2002-01-01	6548
2003-01-01	6481
2004-01-01	6777
2005-01-01	6702
2006-01-01	6785
2007-01-01	7184
2008-01-01	7722
2009-01-01	7872
2010-01-01	8485
2011-01-01	8664
2012-01-01	8588
2013-01-01	8359
2014-01-01	8475
2015-01-01	8225
2016-01-01	8262