Year	Number of Firms
2002-01-01	4
2003-01-01	13
2004-01-01	47
2005-01-01	50
2006-01-01	61
2007-01-01	70
2008-01-01	81
2009-01-01	83
2010-01-01	72
2011-01-01	66
2012-01-01	52
2013-01-01	78
2014-01-01	85
2015-01-01	69
2016-01-01	61