Year	Number of Firms
1992-01-01	55
1997-01-01	64
2002-01-01	63
2003-01-01	70
2004-01-01	81
2005-01-01	85
2006-01-01	65
2007-01-01	85
2008-01-01	67
2009-01-01	66
2010-01-01	54
2011-01-01	67
2012-01-01	43
2013-01-01	35
2014-01-01	57
2015-01-01	41
2016-01-01	40