Year	Number of Firms
1992-01-01	32
1997-01-01	69
2002-01-01	72
2003-01-01	77
2004-01-01	77
2005-01-01	67
2006-01-01	65
2007-01-01	77
2008-01-01	79
2009-01-01	64
2010-01-01	80
2011-01-01	78
2012-01-01	82
2013-01-01	83
2014-01-01	81
2015-01-01	68
2016-01-01	57