Year	Number of Firms
2002-01-01	1
2003-01-01	7
2004-01-01	24
2005-01-01	22
2006-01-01	35
2007-01-01	28
2008-01-01	40
2009-01-01	53
2010-01-01	42
2011-01-01	36
2012-01-01	34
2013-01-01	42
2014-01-01	38
2015-01-01	38
2016-01-01	36