Year	Number of Firms
1992-01-01	2
1997-01-01	8
2002-01-01	12
2003-01-01	14
2004-01-01	20
2005-01-01	43
2006-01-01	27
2007-01-01	24
2008-01-01	35
2009-01-01	23
2010-01-01	26
2011-01-01	39
2012-01-01	41
2013-01-01	34
2014-01-01	48
2015-01-01	41
2016-01-01	44