Year	Number of Firms
1992-01-01	32
1997-01-01	43
2002-01-01	41
2003-01-01	42
2004-01-01	59
2005-01-01	64
2006-01-01	53
2007-01-01	59
2008-01-01	69
2009-01-01	74
2010-01-01	70
2011-01-01	77
2012-01-01	72
2013-01-01	72
2014-01-01	75
2015-01-01	75
2016-01-01	72