Year	Number of Firms
1992-01-01	1
1997-01-01	5
2002-01-01	4
2003-01-01	7
2004-01-01	13
2005-01-01	27
2006-01-01	25
2007-01-01	38
2008-01-01	36
2009-01-01	45
2010-01-01	70
2011-01-01	69
2012-01-01	55
2013-01-01	55
2014-01-01	35
2015-01-01	18
2016-01-01	33