Year	Number of Firms
1992-01-01	2
1997-01-01	9
2002-01-01	11
2003-01-01	10
2004-01-01	12
2005-01-01	16
2006-01-01	9
2007-01-01	23
2008-01-01	34
2009-01-01	35
2010-01-01	34
2011-01-01	32
2012-01-01	34
2013-01-01	40
2014-01-01	42
2015-01-01	44
2016-01-01	35