Year	Number of Firms
1992-01-01	9
1997-01-01	12
2002-01-01	36
2003-01-01	50
2004-01-01	50
2005-01-01	90
2006-01-01	81
2007-01-01	83
2008-01-01	108
2009-01-01	82
2010-01-01	66
2011-01-01	72
2012-01-01	57
2013-01-01	74
2014-01-01	94
2015-01-01	81
2016-01-01	78