Year	Number of Firms
2003-01-01	1
2004-01-01	1
2005-01-01	7
2006-01-01	5
2007-01-01	9
2008-01-01	8
2009-01-01	4
2010-01-01	10
2011-01-01	3
2012-01-01	2
2013-01-01	1
2016-01-01	1