Year	Number of Firms
1992-01-01	9
1997-01-01	32
2002-01-01	40
2003-01-01	46
2004-01-01	52
2005-01-01	54
2006-01-01	43
2007-01-01	49
2008-01-01	49
2009-01-01	55
2010-01-01	60
2011-01-01	60
2012-01-01	70
2013-01-01	71
2014-01-01	72
2015-01-01	69
2016-01-01	60