Year	Number of Firms
1992-01-01	24
1997-01-01	40
2002-01-01	42
2003-01-01	48
2004-01-01	48
2005-01-01	48
2006-01-01	52
2007-01-01	54
2008-01-01	57
2009-01-01	70
2010-01-01	68
2011-01-01	81
2012-01-01	84
2013-01-01	93
2014-01-01	95
2015-01-01	84
2016-01-01	81