Year	Number of Firms
1992-01-01	3
1997-01-01	16
2002-01-01	21
2003-01-01	22
2004-01-01	25
2005-01-01	29
2006-01-01	28
2007-01-01	41
2008-01-01	49
2009-01-01	43
2010-01-01	38
2011-01-01	40
2012-01-01	46
2013-01-01	44
2014-01-01	39
2015-01-01	41
2016-01-01	42