Year	Number of Firms
1992-01-01	2
1997-01-01	9
2002-01-01	27
2003-01-01	38
2004-01-01	33
2005-01-01	45
2006-01-01	42
2007-01-01	36
2008-01-01	50
2009-01-01	56
2010-01-01	56
2011-01-01	58
2012-01-01	65
2013-01-01	63
2014-01-01	75
2015-01-01	64
2016-01-01	57