Year	Number of Firms
1992-01-01	9
1997-01-01	8
2002-01-01	16
2003-01-01	20
2004-01-01	23
2005-01-01	24
2006-01-01	24
2007-01-01	26
2008-01-01	32
2009-01-01	30
2010-01-01	30
2011-01-01	47
2012-01-01	33
2013-01-01	39
2014-01-01	40
2015-01-01	54
2016-01-01	45