Year	Number of Firms
1992-01-01	1
1997-01-01	4
2002-01-01	9
2003-01-01	11
2004-01-01	10
2005-01-01	13
2006-01-01	11
2007-01-01	17
2008-01-01	34
2009-01-01	25
2010-01-01	44
2011-01-01	42
2012-01-01	36
2013-01-01	32
2014-01-01	32
2015-01-01	37
2016-01-01	42