Year	Number of Firms
1992-01-01	9
1997-01-01	11
2002-01-01	11
2003-01-01	18
2004-01-01	25
2005-01-01	26
2006-01-01	26
2007-01-01	28
2008-01-01	25
2009-01-01	32
2010-01-01	35
2011-01-01	38
2012-01-01	34
2013-01-01	27
2014-01-01	41
2015-01-01	27
2016-01-01	35