Year	Number of Firms
1992-01-01	396
1997-01-01	752
2002-01-01	1554
2003-01-01	1860
2004-01-01	2068
2005-01-01	2294
2006-01-01	2604
2007-01-01	2888
2008-01-01	3054
2009-01-01	3094
2010-01-01	3241
2011-01-01	3393
2012-01-01	3524
2013-01-01	3653
2014-01-01	3714
2015-01-01	3547
2016-01-01	3568
