Year	Number of Firms
1992-01-01	4
1997-01-01	1
2002-01-01	12
2003-01-01	6
2004-01-01	9
2005-01-01	6
2006-01-01	8
2007-01-01	10
2008-01-01	14
2009-01-01	18
2010-01-01	22
2011-01-01	27
2012-01-01	28
2013-01-01	43
2014-01-01	69
2015-01-01	41
2016-01-01	31