Year	Number of Firms
1992-01-01	40
1997-01-01	35
2002-01-01	41
2003-01-01	45
2004-01-01	37
2005-01-01	54
2006-01-01	52
2007-01-01	49
2008-01-01	69
2009-01-01	77
2010-01-01	68
2011-01-01	69
2012-01-01	75
2013-01-01	59
2014-01-01	74
2015-01-01	69
2016-01-01	77
