Year	Number of Firms
1992-01-01	2
1997-01-01	5
2002-01-01	3
2003-01-01	4
2004-01-01	9
2005-01-01	6
2006-01-01	14
2007-01-01	16
2008-01-01	38
2009-01-01	35
2010-01-01	35
2011-01-01	42
2012-01-01	51
2013-01-01	55
2014-01-01	48
2015-01-01	27
2016-01-01	21