Year	Number of Firms
1992-01-01	90
1997-01-01	100
2002-01-01	93
2003-01-01	69
2004-01-01	75
2005-01-01	78
2006-01-01	101
2007-01-01	95
2008-01-01	99
2009-01-01	87
2010-01-01	86
2011-01-01	100
2012-01-01	96
2013-01-01	61
2014-01-01	71
2015-01-01	39
2016-01-01	27