Year	Number of Firms
1992-01-01	59
1997-01-01	60
2002-01-01	61
2003-01-01	33
2004-01-01	52
2005-01-01	62
2006-01-01	64
2007-01-01	77
2008-01-01	61
2009-01-01	60
2010-01-01	65
2011-01-01	71
2012-01-01	74
2013-01-01	69
2014-01-01	56
2015-01-01	38
2016-01-01	39