Year	Number of Firms
1992-01-01	8
1997-01-01	19
2002-01-01	24
2003-01-01	19
2004-01-01	32
2005-01-01	25
2006-01-01	23
2007-01-01	19
2008-01-01	41
2009-01-01	43
2010-01-01	51
2011-01-01	40
2012-01-01	45
2013-01-01	46
2014-01-01	58
2015-01-01	57
2016-01-01	54