Year	Number of Firms
1992-01-01	48
1997-01-01	53
2002-01-01	57
2003-01-01	46
2004-01-01	61
2005-01-01	58
2006-01-01	64
2007-01-01	68
2008-01-01	70
2009-01-01	62
2010-01-01	69
2011-01-01	70
2012-01-01	77
2013-01-01	73
2014-01-01	77
2015-01-01	78
2016-01-01	75