Year	Number of Firms
1992-01-01	38
1997-01-01	57
2002-01-01	56
2003-01-01	54
2004-01-01	64
2005-01-01	67
2006-01-01	61
2007-01-01	75
2008-01-01	65
2009-01-01	68
2010-01-01	75
2011-01-01	66
2012-01-01	75
2013-01-01	72
2014-01-01	65
2015-01-01	69
2016-01-01	62