Year	Number of Firms
2002-01-01	8
2003-01-01	13
2004-01-01	15
2005-01-01	11
2006-01-01	1
2007-01-01	3
2008-01-01	5
2009-01-01	6
2010-01-01	6
2011-01-01	3
2012-01-01	5
2013-01-01	7
2014-01-01	3
2015-01-01	3
2016-01-01	2