Year	Number of Firms
1992-01-01	13
1997-01-01	8
2002-01-01	19
2003-01-01	27
2004-01-01	27
2005-01-01	30
2006-01-01	35
2007-01-01	33
2008-01-01	39
2009-01-01	26
2010-01-01	29
2011-01-01	30
2012-01-01	32
2013-01-01	27
2014-01-01	35
2015-01-01	40
2016-01-01	41
