Year	Number of Firms
1992-01-01	4
1997-01-01	20
2002-01-01	37
2003-01-01	37
2004-01-01	46
2005-01-01	51
2006-01-01	58
2007-01-01	63
2008-01-01	77
2009-01-01	55
2010-01-01	56
2011-01-01	57
2012-01-01	64
2013-01-01	66
2014-01-01	68
2015-01-01	103
2016-01-01	92