Year	Number of Firms
1992-01-01	7
1997-01-01	20
2002-01-01	34
2003-01-01	30
2004-01-01	38
2005-01-01	41
2006-01-01	43
2007-01-01	46
2008-01-01	53
2009-01-01	47
2010-01-01	54
2011-01-01	67
2012-01-01	67
2013-01-01	64
2014-01-01	63
2015-01-01	55
2016-01-01	55