Year	Number of Firms
1992-01-01	2
1997-01-01	8
2002-01-01	9
2003-01-01	16
2004-01-01	19
2005-01-01	18
2006-01-01	26
2007-01-01	18
2008-01-01	27
2009-01-01	32
2010-01-01	28
2011-01-01	28
2012-01-01	35
2013-01-01	30
2014-01-01	37
2015-01-01	27
2016-01-01	36