Year	Number of Firms
1992-01-01	38
1997-01-01	49
2002-01-01	37
2003-01-01	37
2004-01-01	51
2005-01-01	74
2006-01-01	52
2007-01-01	68
2008-01-01	60
2009-01-01	34
2010-01-01	36
2011-01-01	35
2012-01-01	30
2013-01-01	27
2014-01-01	36
2015-01-01	33
2016-01-01	42