Year	Number of Firms
2002-01-01	1
2004-01-01	1
2008-01-01	1
2009-01-01	5
2010-01-01	27
2011-01-01	16
2012-01-01	38
2013-01-01	46
2014-01-01	33
2015-01-01	37
2016-01-01	13