Year	Number of Firms
1992-01-01	1
1997-01-01	10
2002-01-01	24
2003-01-01	22
2004-01-01	27
2005-01-01	29
2006-01-01	32
2007-01-01	43
2008-01-01	38
2009-01-01	34
2010-01-01	45
2011-01-01	50
2012-01-01	54
2013-01-01	45
2014-01-01	41
2015-01-01	40
2016-01-01	40