Year	Number of Firms
1992-01-01	3
1997-01-01	16
2002-01-01	20
2003-01-01	20
2004-01-01	32
2005-01-01	34
2006-01-01	40
2007-01-01	48
2008-01-01	56
2009-01-01	38
2010-01-01	46
2011-01-01	65
2012-01-01	61
2013-01-01	80
2014-01-01	65
2015-01-01	66
2016-01-01	53