Year	Number of Firms
1992-01-01	6
1997-01-01	11
2002-01-01	17
2003-01-01	17
2004-01-01	20
2005-01-01	26
2006-01-01	36
2007-01-01	37
2008-01-01	38
2009-01-01	46
2010-01-01	56
2011-01-01	57
2012-01-01	54
2013-01-01	55
2014-01-01	60
2015-01-01	53
2016-01-01	42