Year	Number of Firms
1992-01-01	6
1997-01-01	10
2002-01-01	11
2003-01-01	19
2004-01-01	20
2005-01-01	31
2006-01-01	26
2007-01-01	41
2008-01-01	55
2009-01-01	53
2010-01-01	54
2011-01-01	73
2012-01-01	73
2013-01-01	64
2014-01-01	55
2015-01-01	47
2016-01-01	38
