Year	Number of Firms
1992-01-01	49
1997-01-01	42
2002-01-01	47
2003-01-01	69
2004-01-01	54
2005-01-01	62
2006-01-01	65
2007-01-01	75
2008-01-01	84
2009-01-01	69
2010-01-01	74
2011-01-01	64
2012-01-01	60
2013-01-01	73
2014-01-01	68
2015-01-01	77
2016-01-01	69