Year	Number of Firms
1992-01-01	9
1997-01-01	18
2002-01-01	18
2003-01-01	22
2004-01-01	23
2005-01-01	32
2006-01-01	41
2007-01-01	33
2008-01-01	45
2009-01-01	47
2010-01-01	48
2011-01-01	68
2012-01-01	60
2013-01-01	64
2014-01-01	79
2015-01-01	69
2016-01-01	47