Year	Number of Firms
1992-01-01	8
1997-01-01	27
2002-01-01	30
2003-01-01	26
2004-01-01	32
2005-01-01	33
2006-01-01	39
2007-01-01	52
2008-01-01	56
2009-01-01	47
2010-01-01	52
2011-01-01	63
2012-01-01	63
2013-01-01	64
2014-01-01	69
2015-01-01	66
2016-01-01	52