Year	Number of Firms
1992-01-01	1
1997-01-01	5
2002-01-01	3
2003-01-01	11
2004-01-01	11
2005-01-01	12
2006-01-01	16
2007-01-01	15
2008-01-01	24
2009-01-01	68
2010-01-01	84
2011-01-01	52
2012-01-01	84
2013-01-01	77
2014-01-01	51
2015-01-01	52
2016-01-01	69