Year	Number of Firms
1992-01-01	1
1997-01-01	5
2002-01-01	4
2003-01-01	3
2004-01-01	5
2005-01-01	8
2006-01-01	16
2007-01-01	80
2008-01-01	191
2009-01-01	83
2010-01-01	50
2011-01-01	75
2012-01-01	29
2013-01-01	14
2014-01-01	26
2015-01-01	15
2016-01-01	10