Year	Number of Firms
1992-01-01	20
1997-01-01	31
2002-01-01	38
2003-01-01	40
2004-01-01	51
2005-01-01	42
2006-01-01	53
2007-01-01	64
2008-01-01	70
2009-01-01	63
2010-01-01	60
2011-01-01	74
2012-01-01	65
2013-01-01	72
2014-01-01	64
2015-01-01	66
2016-01-01	68