Year	Number of Firms
1992-01-01	10
1997-01-01	21
2002-01-01	28
2003-01-01	16
2004-01-01	27
2005-01-01	27
2006-01-01	42
2007-01-01	44
2008-01-01	41
2009-01-01	34
2010-01-01	35
2011-01-01	55
2012-01-01	55
2013-01-01	50
2014-01-01	46
2015-01-01	43
2016-01-01	41