Year	Number of Firms
1992-01-01	26
1997-01-01	39
2002-01-01	45
2003-01-01	43
2004-01-01	40
2005-01-01	45
2006-01-01	41
2007-01-01	54
2008-01-01	80
2009-01-01	81
2010-01-01	80
2011-01-01	65
2012-01-01	76
2013-01-01	70
2014-01-01	69
2015-01-01	72
2016-01-01	62