Year	Number of Firms
1997-01-01	1
2002-01-01	3
2003-01-01	2
2004-01-01	3
2005-01-01	4
2006-01-01	3
2007-01-01	15
2008-01-01	9
2009-01-01	16
2010-01-01	13
2011-01-01	21
2012-01-01	13
2013-01-01	18
2014-01-01	40
2015-01-01	37
2016-01-01	32