Year	Number of Firms
1992-01-01	2
1997-01-01	5
2002-01-01	6
2003-01-01	12
2004-01-01	16
2005-01-01	24
2006-01-01	24
2007-01-01	27
2008-01-01	28
2009-01-01	63
2010-01-01	75
2011-01-01	60
2012-01-01	77
2013-01-01	59
2014-01-01	59
2015-01-01	30
2016-01-01	30