Year	Number of Firms
1992-01-01	4
1997-01-01	12
2002-01-01	8
2003-01-01	10
2004-01-01	14
2005-01-01	46
2006-01-01	26
2007-01-01	39
2008-01-01	46
2009-01-01	45
2010-01-01	49
2011-01-01	33
2012-01-01	45
2013-01-01	38
2014-01-01	62
2015-01-01	57
2016-01-01	66