Year	Number of Firms
1992-01-01	37
1997-01-01	63
2002-01-01	49
2003-01-01	57
2004-01-01	57
2005-01-01	54
2006-01-01	60
2007-01-01	68
2008-01-01	71
2009-01-01	72
2010-01-01	78
2011-01-01	82
2012-01-01	75
2013-01-01	69
2014-01-01	72
2015-01-01	54
2016-01-01	62