Year	Number of Firms
1992-01-01	25
1997-01-01	54
2002-01-01	37
2003-01-01	39
2004-01-01	41
2005-01-01	33
2006-01-01	49
2007-01-01	50
2008-01-01	62
2009-01-01	47
2010-01-01	61
2011-01-01	58
2012-01-01	50
2013-01-01	68
2014-01-01	61
2015-01-01	69
2016-01-01	79