Year	Number of Firms
1992-01-01	3
1997-01-01	7
2002-01-01	8
2003-01-01	14
2004-01-01	19
2005-01-01	21
2006-01-01	24
2007-01-01	23
2008-01-01	25
2009-01-01	32
2010-01-01	24
2011-01-01	41
2012-01-01	37
2013-01-01	45
2014-01-01	40
2015-01-01	38
2016-01-01	39