Year	Number of Firms
1992-01-01	39
1997-01-01	46
2002-01-01	44
2003-01-01	60
2004-01-01	42
2005-01-01	44
2006-01-01	56
2007-01-01	64
2008-01-01	66
2009-01-01	52
2010-01-01	68
2011-01-01	52
2012-01-01	41
2013-01-01	45
2014-01-01	73
2015-01-01	53
2016-01-01	57