Year	Number of Firms
2004-01-01	3
2005-01-01	11
2006-01-01	25
2007-01-01	35
2008-01-01	68
2009-01-01	83
2010-01-01	91
2011-01-01	37
2012-01-01	83
2013-01-01	103
2014-01-01	65
2015-01-01	29
2016-01-01	20