Year	Number of Firms
1992-01-01	67
1997-01-01	79
2002-01-01	63
2003-01-01	56
2004-01-01	64
2005-01-01	55
2006-01-01	56
2007-01-01	75
2008-01-01	79
2009-01-01	77
2010-01-01	82
2011-01-01	87
2012-01-01	79
2013-01-01	73
2014-01-01	81
2015-01-01	79
2016-01-01	87