Year	Number of Firms
1992-01-01	21
1997-01-01	54
2002-01-01	60
2003-01-01	74
2004-01-01	79
2005-01-01	82
2006-01-01	79
2007-01-01	91
2008-01-01	81
2009-01-01	70
2010-01-01	63
2011-01-01	69
2012-01-01	69
2013-01-01	60
2014-01-01	62
2015-01-01	68
2016-01-01	55