Year	Number of Firms
1992-01-01	1
1997-01-01	4
2002-01-01	5
2004-01-01	2
2005-01-01	5
2006-01-01	4
2007-01-01	8
2008-01-01	9
2009-01-01	16
2010-01-01	9
2011-01-01	9
2012-01-01	9
2013-01-01	14
2014-01-01	14
2015-01-01	11
2016-01-01	8