Year	Number of Firms
1992-01-01	41
1997-01-01	45
2002-01-01	53
2003-01-01	60
2004-01-01	64
2005-01-01	56
2006-01-01	57
2007-01-01	64
2008-01-01	59
2009-01-01	56
2010-01-01	75
2011-01-01	63
2012-01-01	52
2013-01-01	54
2014-01-01	65
2015-01-01	60
2016-01-01	70