Year	Number of Firms
1992-01-01	6
1997-01-01	21
2002-01-01	25
2003-01-01	27
2004-01-01	36
2005-01-01	44
2006-01-01	44
2007-01-01	60
2008-01-01	70
2009-01-01	48
2010-01-01	54
2011-01-01	51
2012-01-01	63
2013-01-01	69
2014-01-01	60
2015-01-01	41
2016-01-01	53