Year	Number of Firms
1992-01-01	86
1997-01-01	78
2002-01-01	73
2003-01-01	52
2004-01-01	69
2005-01-01	77
2006-01-01	91
2007-01-01	61
2008-01-01	74
2009-01-01	68
2010-01-01	64
2011-01-01	66
2012-01-01	81
2013-01-01	55
2014-01-01	63
2015-01-01	42
2016-01-01	27