Year	Number of Firms
1992-01-01	9
1997-01-01	18
2002-01-01	27
2003-01-01	31
2004-01-01	46
2005-01-01	41
2006-01-01	38
2007-01-01	49
2008-01-01	64
2009-01-01	50
2010-01-01	67
2011-01-01	57
2012-01-01	62
2013-01-01	60
2014-01-01	64
2015-01-01	70
2016-01-01	79