Year	Number of Firms
1992-01-01	17
1997-01-01	36
2002-01-01	26
2003-01-01	27
2004-01-01	37
2005-01-01	40
2006-01-01	45
2007-01-01	42
2008-01-01	68
2009-01-01	78
2010-01-01	68
2011-01-01	54
2012-01-01	61
2013-01-01	69
2014-01-01	78
2015-01-01	75
2016-01-01	80