Year	Number of Firms
1992-01-01	1
1997-01-01	14
2002-01-01	38
2003-01-01	49
2004-01-01	54
2005-01-01	58
2006-01-01	49
2007-01-01	41
2008-01-01	52
2009-01-01	52
2010-01-01	46
2011-01-01	42
2012-01-01	36
2013-01-01	52
2014-01-01	48
2015-01-01	36
2016-01-01	43